diff options
Diffstat (limited to 'tools/cru-py')
36 files changed, 2684 insertions, 0 deletions
diff --git a/tools/cru-py/.gitignore b/tools/cru-py/.gitignore new file mode 100644 index 0000000..259058c --- /dev/null +++ b/tools/cru-py/.gitignore @@ -0,0 +1,4 @@ +.idea +venv + +__pycache__ diff --git a/tools/cru-py/.python-version b/tools/cru-py/.python-version new file mode 100644 index 0000000..37504c5 --- /dev/null +++ b/tools/cru-py/.python-version @@ -0,0 +1 @@ +3.11
 diff --git a/tools/cru-py/__init__.py b/tools/cru-py/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tools/cru-py/__init__.py diff --git a/tools/cru-py/aio b/tools/cru-py/aio new file mode 100644 index 0000000..f74877a --- /dev/null +++ b/tools/cru-py/aio @@ -0,0 +1,2 @@ +#! /usr/bin/env sh +exec python3 "$(dirname "$0")/aio.py" "$@" diff --git a/tools/cru-py/aio.py b/tools/cru-py/aio.py new file mode 100644 index 0000000..d5386f1 --- /dev/null +++ b/tools/cru-py/aio.py @@ -0,0 +1,319 @@ +#!/usr/bin/env python3 + +try: +    import rich +    import jsonschema +    import cryptography +except ImportError: +    print("Some necessary crupest can't be imported. Please run `pip install -r requirements.txt` to install them.") +    exit(1) + +from os.path import * +import argparse +import subprocess +from rich.prompt import Confirm +from crupest.install_docker import * +from crupest.path import * +from crupest.nginx import * +from crupest.config import * +from crupest.check import * +from crupest.backup import * +from crupest.download_tools import * +from crupest.test import * +from crupest.dns import * +from crupest.setup import * + +from crupest.tui import console + + +parser = argparse.ArgumentParser( +    description="Crupest server all-in-one setup script. Have fun play with it!") +parser.add_argument("--no-hello", action="store_true", +                    default=False, help="Do not print hello message.") +parser.add_argument("--no-bye-bye", action="store_true", +                    default=False, help="Do not print bye-bye message.") + +parser.add_argument("--no-check-python-version", action="store_true", +                    default=False, help="Do not check python version.") +parser.add_argument("--no-check-system", action="store_true", +                    default=False, help="Do not check system type.") +parser.add_argument("-y", "--yes", action="store_true", +                    default=False, help="Yes to all confirmation.") + +subparsers = parser.add_subparsers(dest="action") + +setup_parser = subparsers.add_parser( +    "setup", help="Do everything necessary to setup the server.") + +print_path_parser = subparsers.add_parser( +    "print-path", help="Print the paths of all related files and dirs.") + +download_tools_parser = subparsers.add_parser( +    "download-tools", help="Download some extra tools to manage the server.") + +list_domain_parser = subparsers.add_parser( +    "list-domain", help="Misc things about domains.") + +nginx_parser = subparsers.add_parser( +    "nginx", help="Generate nginx config.") + +certbot_parser = subparsers.add_parser( +    "certbot", help="Get some common certbot commands.") + +certbot_command_group = certbot_parser.add_mutually_exclusive_group() + +certbot_command_group.add_argument( +    "-C", "--create", action="store_true", default=False, help="Only print the command for 'create' action.") +certbot_command_group.add_argument( +    "-E", "--expand", action="store_true", default=False, help="Only print the command for 'expand' action.") +certbot_command_group.add_argument( +    "-R", "--renew", action="store_true", default=False, help="Only print the command for 'renew' action.") + +certbot_parser.add_argument( +    "-t", "--test", action="store_true", default=False, help="Make the commands for test use.") + +clear_parser = subparsers.add_parser( +    "clear", help="Delete existing data so you can make a fresh start.") +clear_parser.add_argument("-D", "--include-data-dir", action="store_true", +                          default=False, help="Also delete the data directory.") + +install_docker_parser = subparsers.add_parser( +    "install-docker", help="Install docker and docker-compose.") + +backup_parser = subparsers.add_parser( +    "backup", help="Backup related things." +) + +backup_subparsers = backup_parser.add_subparsers(dest="backup_action") +backup_restore_parser = backup_subparsers.add_parser( +    "restore", help="Restore data from url.") +backup_restore_parser.add_argument( +    "restore_url", help="Restore archive url. Can be local path or http/https.") +backup_backup_parser = backup_subparsers.add_parser( +    "backup", help="Backup data to specified path.") +backup_backup_parser.add_argument( +    "backup_path", nargs="?", help="Backup path. Can be empty for a timestamp as name. Must be local path.") + +docker_parser = subparsers.add_parser("docker", help="Docker related things.") +docker_subparsers = docker_parser.add_subparsers(dest="docker_action") +docker_subparsers.add_parser("up", help="Run docker compose up -d.") +docker_subparsers.add_parser("down", help="Run docker compose down.") +docker_subparsers.add_parser( +    "prune", help="Run docker system prune -a -f.") + +test_parser = subparsers.add_parser("test", help="Test things.") +test_parser.add_argument( +    "test_action", help="Test action.", choices=["crupest-api"]) + +dns_parser = subparsers.add_parser("dns", help="Generate dns zone.") + +dns_parser.add_argument("-i", "--ip", help="IP address of the server.") + +git_update_parser = subparsers.add_parser( +    "git-update", help="Update git submodules.") + +update_blog_parser = subparsers.add_parser( +    "update-blog", help="Update and regenerate blog.") + +up_parser = subparsers.add_parser( +    "up", help="Do something necessary and then docker compose up.") + +down_parser = subparsers.add_parser( +    "down", help="Do something necessary and then docker compose down.") + +args = parser.parse_args() + +if args.yes: +    old_ask = Confirm.ask + +    def new_ask(prompt, *args, console=console, default=None, **kwargs): +        default_text = "" +        if default is not None: +            default_text = "(y)" if default else "(n)" +        text = f"[prompt]{prompt}[/] [prompt.choices]\\[y/n][/] [prompt.default]{default_text}[/]" +        console.print(text) +        return True + +    Confirm.ask = new_ask + +if (args.action == "certbot" and (args.create or args.renew or args.expand)) or (args.action == "dns" and args.ip is not None): +    args.no_hello = True +    args.no_bye_bye = True + + +if not args.no_check_python_version: +    if check_python_version(): +        console.print("This script works well on python 3.10. Otherwise you may encounter some problems. But I would like to improve some rational compatibility.", style="yellow") + +if not args.no_check_system: +    if not check_ubuntu(): +        console.print("This script works well on Ubuntu 22.04. Otherwise you may encounter some problems. But I would like to improve some rational compatibility.", style="yellow") + + +if not args.no_hello: +    console.print("Nice to see you! :waving_hand:", style="cyan") + + +def check_domain_is_defined(): +    try: +        return get_domain() +    except Exception as e: +        console.print(e.args[0], style="red") +        raise e + + +def git_update(): +    def do_it(): +        subprocess.run(["git", "pull"], check=True) +    run_in_project_dir(do_it) + + +def update_blog(): +    def do_it(): +        subprocess.run(["docker", "compose", "exec", +                       "crupest-blog", "/scripts/update.bash"], check=True) +    run_in_project_dir(do_it) + + +def docker_compose_up(): +    def do_docker_compose_up(): +        subprocess.run(["docker", "compose", "up", "-d"], check=True) +    run_in_dir(project_abs_path, do_docker_compose_up) + + +def docker_compose_down(): +    def do_docker_compose_down(): +        subprocess.run( +            ["docker", "compose", "down"], check=True) +    run_in_dir(project_abs_path, do_docker_compose_down) + + +action = args.action + + +def run(): +    match action: +        case "install-docker": +            install_docker() +            console.print( +                "Succeeded to install docker. Please re-login to take effect.", style="green") + +        case "docker": +            docker_action = args.docker_action + +            match docker_action: +                case "up": +                    docker_compose_up() +                case "down": +                    docker_compose_down() +                case "prune": +                    to_do = Confirm.ask( +                        "[yellow]Are you sure to prune docker?[/]", console=console) +                    if to_do: +                        subprocess.run( +                            ["docker", "system", "prune", "-a", "-f"], check=True) +                case _: +                    raise ValueError("Unknown docker action.") + +        case "backup": +            backup_action = args.backup_action +            match backup_action: +                case "backup": +                    backup_backup(args.backup_path, console) +                    console.print("Succeeded to restore data.", style="green") +                case "restore": +                    backup_restore(args.restore_path, console) +                    console.print("Succeeded to backup data.", style="green") + +        case 'print-path': +            console.print("Project path =", project_dir) +            console.print("Project absolute path =", project_abs_path) +            console.print("Data path =", data_dir) + +        case "download-tools": +            download_tools(console) + +        case "list-domain": +            domain = check_domain_is_defined() +            domains = list_domains(domain) +            for domain in domains: +                console.print(domain) + +        case "nginx": +            raise Exception("This command is deprecated.") + +        case "certbot": +            domain = check_domain_is_defined() +            is_test = args.test +            if args.create: +                console.print(certbot_command_gen(domain, "create", +                                                  test=is_test), soft_wrap=True, highlight=False) +            elif args.expand: +                console.print(certbot_command_gen(domain, "expand", +                                                  test=is_test), soft_wrap=True, highlight=False) +            elif args.renew: +                console.print(certbot_command_gen(domain, "renew", +                                                  test=is_test), soft_wrap=True, highlight=False) +            else: +                console.print( +                    "Here is some commands you can use to do certbot related work.") +                if is_test: +                    console.print( +                        "Note you specified --test, so the commands are for test use.", style="yellow") +                console.print( +                    "To create certs for init (standalone):", style="cyan") +                console.print(certbot_command_gen( +                    domain, 'create', test=is_test), soft_wrap=True) +                console.print("To expand certs (nginx):", style="cyan") +                console.print(certbot_command_gen( +                    domain, 'create', test=is_test), soft_wrap=True) +                console.print( +                    "To renew certs previously created (nginx):", style="cyan") +                console.print(certbot_command_gen( +                    domain, 'renew', test=is_test), soft_wrap=True) +        case "test": +            match args.test_action: +                case "crupest-api": +                    test_crupest_api(console) +                case _: +                    console.print("Test action invalid.", style="red") + +        case "dns": +            domain = check_domain_is_defined() +            if domain is not None: +                if args.ip is None: +                    ip = Prompt.ask( +                        "Please enter your server ip", console=console) +                else: +                    ip = args.ip +                console.print(generate_dns_zone_with_dkim( +                    domain, ip), soft_wrap=True, highlight=False) + +        case "git-update": +            git_update() + +        case "update-blog": +            update_blog() + +        case "up": +            git_update() +            template_generate(console) +            docker_compose_up() + +        case "down": +            docker_compose_down() + +        case "clear": +            clear(console, args.include_data_dir) + +        case _: +            template_generate(console) +            if Confirm.ask( +                    "By the way, would you like to download some scripts to do some extra setup like creating email user?", console=console, default=True): +                download_tools(console) + + +run() + +if not args.no_bye_bye: +    console.print(":beers: All done! Bye bye!", style="green") diff --git a/tools/cru-py/cru/__init__.py b/tools/cru-py/cru/__init__.py new file mode 100644 index 0000000..e36a778 --- /dev/null +++ b/tools/cru-py/cru/__init__.py @@ -0,0 +1,12 @@ +import sys + + +class CruInitError(Exception): +    pass + +def check_python_version(required_version=(3, 11)): +    if sys.version_info < required_version: +        raise CruInitError(f"Python version must be >= {required_version}!") + + +check_python_version() diff --git a/tools/cru-py/cru/attr.py b/tools/cru-py/cru/attr.py new file mode 100644 index 0000000..d07cc55 --- /dev/null +++ b/tools/cru-py/cru/attr.py @@ -0,0 +1,125 @@ +from collections.abc import Callable +from dataclasses import dataclass +from types import NoneType +from typing import Any +from copy import deepcopy + + +@dataclass +class CruAttr: +    name: str +    value: Any +    description: str + + +@dataclass +class CruAttrDef: +    name: str +    default_description: str +    allow_types: None | set[type] +    allow_none: bool +    default_value: Any +    transformer: Callable[[Any], Any] | None +    validator: Callable[[Any], None] + +    def __init__(self, name: str, default_description: str, *, +                 allow_types: list[type] | type | None, allow_none: bool, default_value: Any = None, +                 transformer: Callable[[Any], Any] | None = None, +                 validator: Callable[[Any], None] | None = None) -> None: +        self.name = name +        self.default_description = default_description +        self.default_value = default_value +        #TODO: CONTINUE TOMORROW +        if allow_types is None: +            allow_types = [] +        elif isinstance(allow_types, type): +            allow_types = [allow_types] +        else: +            for t in allow_types: +                if not isinstance(t, type): +                    raise TypeError(f"Invalid value of python type : {t}") +        self.allow_types = set(filter(lambda tt: tt is not NoneType, allow_types)) +        self.allow_none = allow_none +        self.transformer = transformer +        self.validator = validator +        self.default_value = self.transform_and_validate(self.default_value) +        self.default_value = deepcopy(self.default_value) + +    def transform(self, value: Any) -> Any: +        if self.transformer is not None: +            return self.transformer(value) +        return value + +    def validate(self, value: Any, /, override_allow_none: bool | None = None) -> None: +        allow_none = override_allow_none if override_allow_none is not None else self.allow_none +        if value is None and not allow_none: +            raise TypeError(f"None is not allowed!") +        if len(self.allow_types) != 0 and type(value) not in self.allow_types: +            raise TypeError(f"Type of {value} is not allowed!") +        if self.validator is not None: +            return self.validator(value) +        return None + +    def transform_and_validate(self, value: Any, /, override_allow_none: bool | None = None) -> Any: +        value = self.transform(value) +        self.validate(value, override_allow_none) +        return value + +    def make(self, value: Any, description: None | str = None) -> CruAttr: +        value = self.transform_and_validate(value) +        return CruAttr(self.name, value if value is not None else deepcopy(self.default_value), +                       description if description is not None else self.default_description) + + +class CruAttrDefRegistry: + +    def __init__(self) -> None: +        self._def_list = [] + +    @property +    def items(self) -> list[CruAttrDef]: +        return self._def_list + +    def register(self, def_: CruAttrDef): +        for i in self._def_list: +            if i.name == def_.name: +                raise ValueError(f"Attribute {def_.name} already exists!") +        self._def_list.append(def_) + +    def register_with(self, name: str, default_description: str, *, +                      allow_types: list[type] | type | None, allow_none: bool, +                      default_value: Any = None, +                      transformer: Callable[[Any], Any] | None = None, +                      validator: Callable[[Any], None] | None = None +                      ) -> CruAttrDef: +        def_ = CruAttrDef(name, default_description, default_value=default_value, allow_types=allow_types, +                          allow_none=allow_none, transformer=transformer, validator=validator) +        self.register(def_) +        return def_ + +    def register_required(self, name: str, default_description: str, *, +                      allow_types: list[type] | type | None, +                      default_value: Any = None, +                      transformer: Callable[[Any], Any] | None = None, +                      validator: Callable[[Any], None] | None = None +                      ) -> CruAttrDef: +        return self.register_with(name, default_description, default_value=default_value, allow_types=allow_types, +                          allow_none=False, transformer=transformer, validator=validator) + +    def register_optional(self, name: str, default_description: str, *, +                      allow_types: list[type] | type | None, +                      default_value: Any = None, +                      transformer: Callable[[Any], Any] | None = None, +                      validator: Callable[[Any], None] | None = None +                      ) -> CruAttrDef: +        return self.register_with(name, default_description, default_value=default_value, allow_types=allow_types, +                          allow_none=True, transformer=transformer, validator=validator) + +    def get_item_optional(self, name: str) -> CruAttrDef | None: +        for i in self._def_list: +            if i.name == name: +                return i +        return None + +    def __getitem__(self, item) -> CruAttrDef | None: +        return self.get_item_optional(item) diff --git a/tools/cru-py/cru/config.py b/tools/cru-py/cru/config.py new file mode 100644 index 0000000..b0c83d5 --- /dev/null +++ b/tools/cru-py/cru/config.py @@ -0,0 +1,128 @@ +from typing import Any, TypeVar, Generic + +from .excp import CruInternalLogicError +from .value import ValueType, ValueGenerator, ValidationError + +T = TypeVar("T") + + +class ConfigItem(Generic[T]): +    OptionalValueGenerator = ValueGenerator[T, []] | None + +    def __init__(self, name: str, description: str, value_type: ValueType[T], value: T | None, default_value: T, *, +                 value_generator: OptionalValueGenerator = None) -> None: +        self._name = name +        self._description = description +        self._value_type = value_type +        self._default_value = default_value +        self._value_generator = value_generator +        self._value: T | None = value + +    @property +    def name(self) -> str: +        return self._name + +    @property +    def description(self) -> str: +        return self._description + +    @property +    def value_type(self) -> ValueType[T]: +        return self._value_type + +    @property +    def default_value(self) -> T: +        return self._default_value + +    @property +    def is_default(self) -> bool: +        return self._value is None + +    @property +    def is_set(self) -> bool: +        return not self.is_default + +    @property +    def value(self) -> T: +        return self._value or self._default_value + +    def set_value(self, v: T | str, /, allow_convert_from_str=False): +        if allow_convert_from_str: +            self._value = self.value_type.check_value(v) +        else: +            self._value = self.value_type.check_value_or_try_convert_from_str(v) + +    @value.setter +    def value(self, v: T) -> None: +        self.set_value(v) + +    @property +    def value_generator(self) -> OptionalValueGenerator: +        return self._value_generator + +    def generate_value(self, allow_interactive=False) -> T | None: +        if self.value_generator is None: return None +        if self.value_generator.interactive and not allow_interactive: +            return None +        else: +            v = self.generate_value() +            try: +                self.value_type.check_value(v) +                return v +            except ValidationError as e: +                raise CruInternalLogicError("Config value generator returns invalid value.", name=self.name, inner=e) + +    def copy(self) -> "ConfigItem": +        return ConfigItem(self.name, self.description, self.value_type, +                          self._value.copy() if self._value is not None else None, self._default_value.copy(), +                          value_generator=self.value_generator) + + +class Configuration: +    def __init__(self, items: None | list[ConfigItem] = None) -> None: +        self._items: list[ConfigItem] = items or [] + +    @property +    def items(self) -> list[ConfigItem]: +        return self._items + +    @property +    def item_map(self) -> dict[str, ConfigItem]: +        return {i.name: i for i in self.items} + +    def get_optional_item(self, name: str) -> ConfigItem | None: +        for i in self.items: +            if i.name == name: +                return i +        return None + +    def clear(self) -> None: +        self._items.clear() + +    def has_item(self, name: str) -> bool: +        return self.get_optional_item(name) is not None + +    def add_item(self, item: ConfigItem): +        i = self.get_optional_item(item.name) +        if i is not None: +            raise CruInternalLogicError("Config item of the name already exists.", name=item.name) +        self.items.append(item) +        return item + +    def set_value(self, name: str, v: Any, /, allow_convert_from_str=False): +        i = self.get_optional_item(name) +        if i is None: +            raise CruInternalLogicError("No config item of the name. Can't set value.", name=name) +        i.set_value(v, allow_convert_from_str) + +    def copy(self) -> "Configuration": +        return Configuration([i.copy() for i in self.items]) + +    def __getitem__(self, name: str) -> ConfigItem: +        i = self.get_optional_item(name) +        if i is not None: +            return i +        raise CruInternalLogicError('No config item of the name.', name=name) + +    def __contains__(self, name: str): +        return self.has_item(name) diff --git a/tools/cru-py/cru/excp.py b/tools/cru-py/cru/excp.py new file mode 100644 index 0000000..5a5871b --- /dev/null +++ b/tools/cru-py/cru/excp.py @@ -0,0 +1,137 @@ +from collections.abc import Callable +from dataclasses import dataclass +from types import NoneType +from typing import Any + +from cru.attr import CruAttrDefRegistry + +CRU_EXCEPTION_ATTR_DEF_REGISTRY = CruAttrDefRegistry() + + +class CruException(Exception): +    @staticmethod +    def transform_inner(inner: Exception | list[Exception] | None): +        if inner is None: +            return None +        if isinstance(inner, Exception): +            return [inner] +        if isinstance(inner, list): +            return inner + +    @staticmethod +    def validate_inner(inner: list[Exception]): +        for i in inner: +            if not isinstance(i, Exception): +                raise TypeError(f"Invalid inner exception: {i}") + +    MESSAGE_DEF = CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_required("message", "Message describing the exception.", +                                                                allow_types=str, default_value="") +    INNER_DEF = CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_required("inner", "Inner exception.", +                                                  allow_types=list, default_value=[], +                                                  transformer=transform_inner, validator=validate_inner) +    INTERNAL_DEF = CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_required("internal", +                                                  "True if the exception is caused by wrong internal logic. False if it is caused by user's wrong input.", +                                                  allow_types=bool, default_value=False) +    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_optional("name", "Name of the object that causes the exception.", +                                                  allow_types=str) +    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_optional("value", "Value that causes the exception.", +                                                  allow_types=[]) +    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_with("path", "Path that causes the exception.",) +    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_with("type", "Python type related to the exception.") + +    def __init__(self, message: str, *args, +                 inner: Exception | list[Exception] | None = None, +                 internal: bool = False, +                 name: str | None = None, +                 value: Any | None = None, +                 path: str | None = None, +                 type_: type | None = None, +                 init_attrs: dict[str, Any] | None = None, +                 attrs: dict[str, Any] | None = None, **kwargs) -> None: +        super().__init__(message, *args) + +        self._attrs = { +            CruException.MESSAGE_KEY: message, +            CruException.INTERNAL_KEY: internal, +            CruException.INNER_KEY: inner, +            CruException.NAME_KEY: name, +            CruException.VALUE_KEY: value, +            CruException.PATH_KEY: path, +            CruException.TYPE_KEY: type_, +        } +        if init_attrs is not None: +            self._attrs.update(init_attrs) +        if attrs is not None: +            self._attrs.update(attrs) +        self._attrs.update(kwargs) + +    @property +    def message(self) -> str: +        return self[CruException.MESSAGE_KEY] + +    @property +    def internal(self) -> bool: +        return self[CruException.INTERNAL_KEY] + +    @property +    def inner(self) -> list[Exception]: +        return self[CruException.INNER_KEY] + +    @property +    def name(self) -> str | None: +        return self[CruException.NAME_KEY] + +    @property +    def value(self) -> Any | None: +        return self[CruException.VALUE_KEY] + +    @property +    def path(self) -> str | None: +        return self[CruException.PATH_KEY] + +    @property +    def type(self) -> type | None: +        return self[CruException.TYPE_KEY] + +    def _get_attr_list_recursive(self, name: str, depth: int, max_depth: int, l: list[Any]): +        if 0 < max_depth < depth + 1: +            return +        a = self._attrs.get(name, None) +        if a is not None: +            l.append(a) +        for i in self.inner: +            if isinstance(i, CruException): +                i._get_attr_list_recursive(name, depth + 1, max_depth, l) + +    def get_attr_list_recursive(self, name: str, /, max_depth: int = -1) -> list[Any]: +        l = [] +        self._get_attr_list_recursive(name, 0, max_depth, l) +        return l + +    def get_optional_attr(self, name: str, max_depth: int = -1) -> Any | None: +        l = self.get_attr_list_recursive(name, max_depth) +        return l[0] if len(l) > 0 else None + +    def __getitem__(self, name: str) -> Any | None: +        return self.get_optional_attr(name) + + +class CruInternalLogicError(CruException): +    def __init__(self, message: str, *args, **kwargs) -> None: +        super().__init__(message, *args, internal=True, **kwargs) + + +class UserFriendlyException(CruException): +    USER_MESSAGE_KEY = "user_message" + +    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register( +        CruExceptionAttrDef(USER_MESSAGE_KEY, "Message describing the exception, but with user-friendly language.")) + +    def __init__(self, message: str, user_message: str | None = None, *args, **kwargs) -> None: +        if user_message is None: +            user_message = message +        super().__init__(message, *args, init_attrs={UserFriendlyException.USER_MESSAGE_KEY: user_message}, **kwargs) + +    @property +    def user_message(self) -> str: +        return self[UserFriendlyException.USER_MESSAGE_KEY] diff --git a/tools/cru-py/cru/parsing.py b/tools/cru-py/cru/parsing.py new file mode 100644 index 0000000..be7bbf4 --- /dev/null +++ b/tools/cru-py/cru/parsing.py @@ -0,0 +1,70 @@ +from abc import ABCMeta, abstractmethod
 +from typing import TypeVar, Generic, NoReturn, Callable
 +
 +from cru.excp import CruException, CRU_EXCEPTION_ATTR_DEF_REGISTRY
 +
 +R = TypeVar("R")
 +
 +
 +class ParseException(CruException):
 +    LINE_NUMBER_KEY = "line_number"
 +
 +    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_with(LINE_NUMBER_KEY, "Line number of the error.")
 +
 +
 +class Parser(Generic[R], metaclass=ABCMeta):
 +    def __init__(self, name: str) -> None:
 +        self._name = name
 +
 +    @property
 +    def name(self) -> str:
 +        return self._name
 +
 +    @abstractmethod
 +    def parse(self, s: str) -> R:
 +        raise NotImplementedError()
 +
 +    def raise_parse_exception(self, s: str, line_number: int | None = None) -> NoReturn:
 +        a = f" at line {line_number}" if line_number is not None else ""
 +        raise ParseException(f"Parser {self.name} failed{a}, {s}")
 +
 +
 +class SimpleLineConfigParser(Parser[list[tuple[str, str]]]):
 +    def __init__(self) -> None:
 +        super().__init__(type(self).__name__)
 +
 +    def _parse(self, s: str, f: Callable[[str, str], None]) -> None:
 +        for ln, line in enumerate(s.splitlines()):
 +            line_number = ln + 1
 +            # check if it's a comment
 +            if line.strip().startswith("#"):
 +                continue
 +            # check if there is a '='
 +            if line.find("=") == -1:
 +                self.raise_parse_exception(f"There is even no '='!", line_number)
 +            # split at first '='
 +            key, value = line.split("=", 1)
 +            key = key.strip()
 +            value = value.strip()
 +            f(key, value)
 +
 +    def parse(self, s: str) -> list[tuple[str, str]]:
 +        items = []
 +        self._parse(s, lambda key, value: items.append((key, value)))
 +        return items
 +
 +    def parse_to_dict(self, s: str, /, allow_override: bool = False) -> tuple[dict[str, str], list[tuple[str, str]]]:
 +        d = {}
 +        duplicate = []
 +
 +        def add(key: str, value: str) -> None:
 +            if key in d:
 +                if allow_override:
 +                    duplicate.append((key, d[key]))
 +                    d[key] = value
 +                else:
 +                    self.raise_parse_exception(f"Key '{key}' already exists!", None)
 +            d[key] = value
 +
 +        self._parse(s, add)
 +        return d, duplicate
 diff --git a/tools/cru-py/cru/paths.py b/tools/cru-py/cru/paths.py new file mode 100644 index 0000000..df5042b --- /dev/null +++ b/tools/cru-py/cru/paths.py @@ -0,0 +1,63 @@ +from pathlib import Path +import os + +from .excp import CruException + + +class ApplicationPathError(CruException): +    def __init__(self, message: str, p: str | Path, *args, **kwargs): +        super().__init__(message, *args, path=str(p), **kwargs) + + +def check_parents_dir(p: str | Path, /, must_exist: bool = False) -> bool: +    p = Path(p) if isinstance(p, str) else p +    for p in reversed(p.parents): +        if not p.exists() and not must_exist: +            return False +        if not p.is_dir(): +            raise ApplicationPathError("Parents path should be a dir.", p) +    return True + + +class ApplicationPath: +    def __init__(self, p: str | Path, is_dir: bool) -> None: +        self._path = Path(p) if isinstance(p, str) else p +        self._is_dir = is_dir + +    @property +    def path(self) -> Path: +        return self._path + +    @property +    def is_dir(self) -> bool: +        return self._is_dir + +    def check_parents(self, must_exist: bool = False) -> bool: +        return check_parents_dir(self._path.parent, must_exist) + +    def check_self(self, must_exist: bool = False) -> bool: +        if not self.check_parents(must_exist): +            return False +        if not self.path.exists(): +            if not must_exist: return False +            raise ApplicationPathError("Mot exist.", self.path) +        if self.is_dir: +            if not self.path.is_dir(): +                raise ApplicationPathError("Should be a directory, but not.", self.path) +            else: +                return False +        else: +            if not self.path.is_file(): +                raise ApplicationPathError("Should be a file, but not.", self.path) +            else: +                return False + +    def ensure(self, create_file: bool = False) -> None: +        e = self.check_self(False) +        if not e: +            os.makedirs(self.path.parent, exist_ok=True) +            if self.is_dir: +                os.mkdir(self.path) +            elif create_file: +                with open(self.path, "w") as f: +                    f.write("") diff --git a/tools/cru-py/cru/service/__init__.py b/tools/cru-py/cru/service/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tools/cru-py/cru/service/__init__.py diff --git a/tools/cru-py/cru/service/docker.py b/tools/cru-py/cru/service/docker.py new file mode 100644 index 0000000..42d4a35 --- /dev/null +++ b/tools/cru-py/cru/service/docker.py @@ -0,0 +1,15 @@ +import shutil + + +class DockerController: +    DOCKER_BIN_NAME = "docker" + +    def __init__(self, docker_bin: None | str = None) -> None: +        self._docker_bin = docker_bin + +    @property +    def docker_bin(self) -> str: +        if self._docker_bin is None: +            self._docker_bin = shutil.which(self.DOCKER_BIN_NAME) +        return self._docker_bin + diff --git a/tools/cru-py/cru/service/nginx.py b/tools/cru-py/cru/service/nginx.py new file mode 100644 index 0000000..9298623 --- /dev/null +++ b/tools/cru-py/cru/service/nginx.py @@ -0,0 +1,377 @@ +from typing import Literal, Any, cast, ClassVar +import os +from os.path import join, basename, dirname +import subprocess +import re +import json +import jsonschema + +from crupest.template2 import Template2 +from crupest.tui import Paths, UserFriendlyException, create_dir_if_not_exists, console, Confirm, ensure_dir +from crupest.ui_base import file_name_style + + +def restart_nginx(force=False) -> bool: +    if not force: +        p = subprocess.run(['docker', "container", "ls", +                            "-f", "name=nginx", "-q"], capture_output=True) +        container: str = p.stdout.decode("utf-8") +        if len(container.strip()) == 0: +            return False +    subprocess.run(['docker', 'restart', 'nginx']) +    return True + + +_server_schema_filename = "server.schema.json" + +with open(join(Paths.nginx2_template_dir, _server_schema_filename)) as f: +    server_json_schema = json.load(f) + + +_domain_template_filename = "domain.conf.template" + +NginxSourceFileType = Literal["global", "domain", "http", "https"] + + +class NginxSourceFile: +    def __init__(self, path: str) -> None: +        """ +        path: relative to nginx2_template_dir +        """ +        self._path = path +        is_template = path.endswith(".template") +        self._is_template = is_template +        filename = basename(path) +        self.name = filename[:-len(".template")] if is_template else filename +        if is_template: +            self._template = Template2.from_file( +                join(Paths.nginx2_template_dir, path)) +        else: +            with open(join(Paths.nginx2_template_dir, path)) as f: +                self._content = f.read() + +        self._scope: NginxSourceFileType = self._calc_scope() + +    @property +    def is_template(self) -> bool: +        return self._is_template + +    @property +    def content(self) -> str: +        if self._is_template: +            raise Exception(f"{self._path} is a template file") +        return self._content + +    @property +    def template(self) -> Template2: +        if not self._is_template: +            raise Exception(f"{self._path} is not a template file") +        return cast(Template2, self._template) + +    @property +    def global_target_filename(self) -> str: +        if self.scope != "global": +            raise Exception(f"{self._path} is not a global file") +        if self.is_template: +            return basename(self._path)[:-len(".template")] +        else: +            return basename(self._path) + +    def _calc_scope(self) -> NginxSourceFileType: +        f = basename(self._path) +        d = basename(dirname(self._path)) +        if f == _domain_template_filename: +            return "domain" +        elif d in ["global", "http", "https"]: +            return cast(Literal["global", "http", "https"], d) +        else: +            raise Exception(f"Unknown scope for {self._path}") + +    @property +    def scope(self) -> NginxSourceFileType: +        return self._scope + + +_domain_template_source = NginxSourceFile(_domain_template_filename) + +_client_max_body_size_source = NginxSourceFile( +    "global/client-max-body-size.conf") +_forbid_unknown_domain_source = NginxSourceFile( +    "global/forbid-unknown-domain.conf") +_ssl_template_source = NginxSourceFile("global/ssl.conf.template") +_websocket_source = NginxSourceFile("global/websocket.conf") + +_http_444_source = NginxSourceFile("http/444.segment") +_http_redirect_to_https_source = NginxSourceFile( +    "http/redirect-to-https.segment") + +_https_redirect_template_source = NginxSourceFile( +    "https/redirect.segment.template") +_https_reverse_proxy_template_source = NginxSourceFile( +    "https/reverse-proxy.segment.template") +_https_static_file_template_source = NginxSourceFile( +    "https/static-file.segment.template") +_https_static_file_no_strip_prefix_template_source = NginxSourceFile( +    "https/static-file.no-strip-prefix.segment.template") + + +class NginxService: +    def __init__(self, type: str, path: str) -> None: +        self.type = type +        self.path = path +        self._check_path(path) + +    @staticmethod +    def _check_path(path: str) -> None: +        assert isinstance(path, str) +        if path == "" or path == "/": +            return +        if not path.startswith("/"): +            raise UserFriendlyException("Service path should start with '/'.") +        if path.endswith("/"): +            raise UserFriendlyException( +                "Service path should not end with '/'.") + +    def generate_https_segment(self) -> str: +        raise NotImplementedError() + + +class NginxRedirectService(NginxService): +    def __init__(self, path: str, redirect_url: str, redirect_code: int = 307) -> None: +        if redirect_url.endswith("/"): +            raise UserFriendlyException( +                "Redirect URL should not end with '/'.") + +        super().__init__("redirect", path) + +        self.redirect_url = redirect_url +        self.redirect_code = redirect_code + +    def generate_https_segment(self) -> str: +        vars = { +            "PATH": self.path, +            "REDIRECT_CODE": self.redirect_code, +            "REDIRECT_URL": self.redirect_url +        } +        return _https_redirect_template_source.template.render(vars) + +    @staticmethod +    def from_json(json: dict[str, Any]) -> "NginxRedirectService": +        path = json["path"] +        redirect_url = json["to"] +        redirect_code = json.get("code", 307) +        assert isinstance(path, str) +        assert isinstance(redirect_url, str) +        assert isinstance(redirect_code, int) +        return NginxRedirectService(path, redirect_url, redirect_code) + + +class NginxReverseProxyService(NginxService): + +    _upstream_regex: ClassVar[re.Pattern[str]] = re.compile( +        r"^[-_0-9a-zA-Z]+:[0-9]+$") + +    def __init__(self, path: str, upstream: str) -> None: +        if not self._upstream_regex.match(upstream): +            raise UserFriendlyException( +                f"Invalid upstream format: {upstream}.") + +        super().__init__("reverse-proxy", path) + +        self.upstream = upstream + +    def generate_https_segment(self) -> str: +        vars = { +            "PATH": self.path, +            "UPSTREAM": self.upstream +        } +        return _https_reverse_proxy_template_source.template.render(vars) + +    @staticmethod +    def from_json(json: dict[str, Any]) -> "NginxReverseProxyService": +        path = json["path"] +        upstream = json["upstream"] +        assert isinstance(path, str) +        assert isinstance(upstream, str) +        return NginxReverseProxyService(path, upstream) + + +class NginxStaticFileService(NginxService): +    def __init__(self, path: str, root: str, no_strip_prefix: bool = False) -> None: +        super().__init__("static-file", path) + +        self.root = root +        self.no_strip_prefix = no_strip_prefix + +    def generate_https_segment(self) -> str: +        vars = { +            "PATH": self.path, +            "ROOT": self.root, +        } +        if self.no_strip_prefix: +            return _https_static_file_no_strip_prefix_template_source.template.render(vars) +        else: +            return _https_static_file_template_source.template.render(vars) + +    @staticmethod +    def from_json(json: dict[str, Any]) -> "NginxStaticFileService": +        path = json["path"] +        root = json["root"] +        no_strip_prefix = json.get("no_strip_prefix", False) +        assert isinstance(path, str) +        assert isinstance(root, str) +        assert isinstance(no_strip_prefix, bool) +        return NginxStaticFileService(path, root, no_strip_prefix) + + +def nginx_service_from_json(json: dict[str, Any]) -> NginxService: +    type = json["type"] +    if type == "redirect": +        return NginxRedirectService.from_json(json) +    elif type == "reverse-proxy": +        return NginxReverseProxyService.from_json(json) +    elif type == "static-file": +        return NginxStaticFileService.from_json(json) +    else: +        raise UserFriendlyException(f"Invalid crupest type: {type}.") + + +def _prepend_indent(text: str, indent: str = " " * 4) -> str: +    lines = text.split("\n") +    for i in range(len(lines)): +        if lines[i] != "": +            lines[i] = indent + lines[i] +    return "\n".join(lines) + + +class NginxDomain: +    def __init__(self, domain: str, services: list[NginxService] = []) -> None: +        self.domain = domain +        self.services = services + +    def add_service(self, service: NginxService) -> None: +        self.services.append(service) + +    def generate_http_segment(self) -> str: +        if len(self.services) == 0: +            return _http_444_source.content +        else: +            return _http_redirect_to_https_source.content + +    def generate_https_segment(self) -> str: +        return "\n\n".join([s.generate_https_segment() for s in self.services]) + +    def generate_config(self) -> str: +        vars = { +            "DOMAIN": self.domain, +            "HTTP_SEGMENT": _prepend_indent(self.generate_http_segment()), +            "HTTPS_SEGMENT": _prepend_indent(self.generate_https_segment()), +        } +        return _domain_template_source.template.render(vars) + +    def generate_config_file(self, path: str) -> None: +        with open(path, "w") as f: +            f.write(self.generate_config()) + +    @staticmethod +    def from_json(root_domain: str, json: dict[str, Any]) -> "NginxDomain": +        name = json["name"] +        assert isinstance(name, str) +        if name == "@" or name == "": +            domain = root_domain +        else: +            domain = f"{name}.{root_domain}" +        assert isinstance(json["services"], list) +        services = [nginx_service_from_json(s) for s in json["services"]] +        return NginxDomain(domain, services) + + +def check_nginx_config_schema(json: Any) -> None: +    jsonschema.validate(json, server_json_schema) + + +class NginxServer: +    def __init__(self, root_domain: str) -> None: +        self.root_domain = root_domain +        self.domains: list[NginxDomain] = [] + +    def add_sub_domain(self, sub_domain: str, services: list[NginxService]) -> None: +        if sub_domain == "" or sub_domain == "@": +            domain = self.root_domain +        else: +            domain = f"{sub_domain}.{self.root_domain}" +        self.domains.append(NginxDomain(domain, services)) + +    def generate_ssl(self) -> str: +        return _ssl_template_source.template.render({ +            "ROOT_DOMAIN": self.root_domain +        }) + +    def generate_global_files(self, d: str) -> None: +        for source in [_client_max_body_size_source, _forbid_unknown_domain_source, _websocket_source]: +            with open(join(d, source.name), "w") as f: +                f.write(source.content) +        with open(join(d, _ssl_template_source.name), "w") as f: +            f.write(self.generate_ssl()) + +    def generate_domain_files(self, d: str) -> None: +        for domain in self.domains: +            domain.generate_config_file(join(d, f"{domain.domain}.conf")) + +    def generate_config(self, d: str) -> None: +        create_dir_if_not_exists(d) +        self.generate_global_files(d) + +    def get_allowed_files(self) -> list[str]: +        files = [] +        for source in [_client_max_body_size_source, _forbid_unknown_domain_source, _ssl_template_source, _websocket_source]: +            files.append(source.name) +        for domain in self.domains: +            files.append(f"{domain.domain}.conf") +        return files + +    def check_bad_files(self, d: str) -> list[str]: +        allowed_files = self.get_allowed_files() +        bad_files = [] +        if not ensure_dir(d, must_exist=False): +            return [] +        for path in os.listdir(d): +            if path not in allowed_files: +                bad_files.append(path) +        return bad_files + +    @staticmethod +    def from_json(root_domain: str, json: dict[str, Any]) -> "NginxServer": +        check_nginx_config_schema(json) +        server = NginxServer(root_domain) +        sub_domains = json["domains"] +        assert isinstance(sub_domains, list) +        server.domains = [NginxDomain.from_json( +            root_domain, d) for d in sub_domains] +        return server + +    @staticmethod +    def from_json_str(root_domain: str, json_str: str) -> "NginxServer": +        return NginxServer.from_json(root_domain, json.loads(json_str)) + +    def go(self): +        bad_files = self.check_bad_files(Paths.nginx_generated_dir) +        if len(bad_files) > 0: +            console.print( +                "WARNING: It seems there are some bad conf files in the nginx config directory:", style="yellow") +            for bad_file in bad_files: +                console.print(bad_file, style=file_name_style) +            to_delete = Confirm.ask( +                "They will affect nginx in a [red]bad[/] way. Do you want to delete them?", default=True, console=console) +            if to_delete: +                for file in bad_files: +                    os.remove(join(Paths.nginx_generated_dir, file)) +        create_dir_if_not_exists(Paths.generated_dir) +        if not ensure_dir(Paths.nginx_generated_dir, must_exist=False): +            os.mkdir(Paths.nginx_generated_dir) +            console.print( +                f"Nginx config directory created at [magenta]{Paths.nginx_generated_dir}[/]", style="green") +        self.generate_config(Paths.nginx_generated_dir) +        console.print("Nginx config generated.", style="green") +        if restart_nginx(): +            console.print('Nginx restarted.', style="green") diff --git a/tools/cru-py/cru/system.py b/tools/cru-py/cru/system.py new file mode 100644 index 0000000..2e05cd1 --- /dev/null +++ b/tools/cru-py/cru/system.py @@ -0,0 +1,22 @@ +import re +import os.path + + +def check_debian_derivative_version(name: str) -> None | str: +    if not os.path.isfile("/etc/os-release"): +        return None +    with open("/etc/os-release", "r") as f: +        content = f.read() +        if not f"ID={name}" in content: +            return None +        m = re.search(r'VERSION_ID="(.+)"', content) +        if m is None: return None +        return m.group(1) + + +def check_ubuntu_version() -> None | str: +    return check_debian_derivative_version("ubuntu") + + +def check_debian_version() -> None | str: +    return check_debian_derivative_version("debian") diff --git a/tools/cru-py/cru/value.py b/tools/cru-py/cru/value.py new file mode 100644 index 0000000..cddbde9 --- /dev/null +++ b/tools/cru-py/cru/value.py @@ -0,0 +1,309 @@ +import random +import secrets +import string +import uuid +from abc import abstractmethod, ABCMeta +from collections.abc import Mapping, Callable +from typing import Any, ClassVar, Literal, TypeVar, Generic, ParamSpec + +from .excp import CruInternalLogicError, CruException, CRU_EXCEPTION_ATTR_DEF_REGISTRY + + +def _str_case_in(s: str, case: bool, l: list[str]) -> bool: +    if case: +        return s in l +    else: +        return s.lower() in [s.lower() for s in l] + + +_ValueTypeForward = type["ValueType"] + +T = TypeVar("T") + + +class _ValueErrorMixin: +    VALUE_TYPE_KEY = "value_type" + +    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_with( +        VALUE_TYPE_KEY, +        "The type of the value that causes the exception." +    ) + + +class ValidationError(CruException, _ValueErrorMixin): +    def __init__(self, message: str, value: Any, value_type: _ValueTypeForward[T] | None, *args, **kwargs): +        super().__init__(message, *args, value=value, type_=value_type.type, init_attrs={ +            ValidationError.VALUE_TYPE_KEY: value_type, +        }, **kwargs) + +    @property +    def value_type(self) -> _ValueTypeForward[T] | None: +        return self[ValidationError.VALUE_TYPE_KEY] + + +class ValueStringConvertionError(CruException, _ValueErrorMixin): +    def __init__(self, message: str, value: Any, value_type: _ValueTypeForward[T] | None, *args, +                 **kwargs): +        super().__init__(message, *args, value=value, type_=value_type.type, init_attrs={ +            ValueStringConvertionError.VALUE_TYPE_KEY: value_type, +        }, **kwargs) + +    @property +    def value_type(self) -> _ValueTypeForward[T] | None: +        return self[ValueStringConvertionError.VALUE_TYPE_KEY] + + +class ValueType(Generic[T], metaclass=ABCMeta): +    @staticmethod +    def case_sensitive_to_str(case_sensitive: bool) -> str: +        return f"case-{'' if case_sensitive else 'in'}sensitive" + +    def __init__(self, name: str) -> None: +        self._name = name +        self._type = type("T") + +    @property +    def name(self) -> str: +        return self._name + +    @property +    def type(self) -> type: +        return self._type + +    def is_instance_of_value_type(self, value: Any) -> bool: +        return isinstance(value, self.type) + +    def _do_check_value(self, value: Any) -> tuple[True, T] | tuple[False, None | str]: +        return True, value + +    def check_value(self, value: Any) -> T: +        if not isinstance(value, self.type): +            raise ValidationError("Value type is wrong.", value, self) +        ok, v_or_err = self._do_check_value(value) +        if ok: +            return v_or_err +        else: +            raise ValidationError(v_or_err or "Value is not valid.", value, self) + +    @abstractmethod +    def _do_check_str_format(self, s: str) -> bool | tuple[bool, str]: +        """ +        Return None for no error. Otherwise, return error message. +        """ +        raise NotImplementedError() + +    def check_str_format(self, s: str) -> None: +        ok, err = self._do_check_str_format(s) +        if ok is None: raise CruInternalLogicError("_do_check_str_format should not return None.") +        if ok: return +        if err is None: +            err = "Invalid value str format." +        raise ValueStringConvertionError(err, s, value_type=self) + +    @abstractmethod +    def _do_convert_value_to_str(self, value: T) -> str: +        raise NotImplementedError() + +    def convert_value_to_str(self, value: T) -> str: +        self.check_value(value) +        return self._do_convert_value_to_str(value) + +    @abstractmethod +    def _do_convert_str_to_value(self, s: str) -> T: +        raise NotImplementedError() + +    def convert_str_to_value(self, s: str) -> T: +        self.check_str_format(s) +        return self._do_convert_str_to_value(s) + +    def check_value_or_try_convert_from_str(self, value_or_str: Any) -> T: +        try: +            return self.check_value(value_or_str) +        except ValidationError as e: +            if isinstance(value_or_str, str): +                return self.convert_str_to_value(value_or_str) +            else: +                raise ValidationError("Value is not valid and is not a str.", value_or_str, self, +                                      inner=e) + + +class TextValueType(ValueType[str]): +    def __init__(self) -> None: +        super().__init__("text") + +    def _do_check_str_format(self, s): +        return True + +    def _do_convert_value_to_str(self, value): +        return value + +    def _do_convert_str_to_value(self, s): +        return s + + +class IntegerValueType(ValueType[int]): + +    def __init__(self) -> None: +        super().__init__("integer") + +    def _do_check_str_format(self, s): +        try: +            int(s) +            return True +        except ValueError: +            return False + +    def _do_convert_value_to_str(self, value): +        return str(value) + +    def _do_convert_str_to_value(self, s): +        return int(s) + + +class FloatValueType(ValueType[float]): +    def __init__(self) -> None: +        super().__init__("float") + +    def _do_check_str_format(self, s): +        try: +            float(s) +            return True +        except ValueError: +            return False + +    def _do_convert_value_to_str(self, value): +        return str(value) + +    def _do_convert_str_to_value(self, s): +        return float(s) + + +class BooleanValueType(ValueType[bool]): +    DEFAULT_TRUE_LIST: ClassVar[list[str]] = ["true", "yes", "y", "on", "1"] +    DEFAULT_FALSE_LIST: ClassVar[list[str]] = ["false", "no", "n", "off", "0"] + +    def __init__(self, *, case_sensitive=False, true_list: None | list[str] = None, +                 false_list: None | list[str] = None) -> None: +        super().__init__("boolean") +        self._case_sensitive = case_sensitive +        self._valid_true_strs: list[str] = true_list or BooleanValueType.DEFAULT_TRUE_LIST +        self._valid_false_strs: list[str] = false_list or BooleanValueType.DEFAULT_FALSE_LIST + +    @property +    def case_sensitive(self) -> bool: +        return self._case_sensitive + +    @property +    def valid_true_strs(self) -> list[str]: +        return self._valid_true_strs + +    @property +    def valid_false_strs(self) -> list[str]: +        return self._valid_false_strs + +    @property +    def valid_boolean_strs(self) -> list[str]: +        return self._valid_true_strs + self._valid_false_strs + +    def _do_check_str_format(self, s): +        if _str_case_in(s, self.case_sensitive, self.valid_boolean_strs): return True +        return False, f"Not a valid boolean string ({ValueType.case_sensitive_to_str(self.case_sensitive)}). Valid string of true: {' '.join(self._valid_true_strs)}. Valid string of false: {' '.join(self._valid_false_strs)}. All is case insensitive." + +    def _do_convert_value_to_str(self, value): +        return "True" if value else "False" + +    def _do_convert_str_to_value(self, s): +        return _str_case_in(s, self.case_sensitive, self._valid_true_strs) + + +class EnumValueType(ValueType[str]): +    def __init__(self, valid_values: list[str], /, case_sensitive=False) -> None: +        s = ' | '.join([f'"{v}"' for v in valid_values]) +        self._valid_value_str = f'[ {s} ]' +        super().__init__(f"enum{self._valid_value_str}") +        self._case_sensitive = case_sensitive +        self._valid_values = valid_values + +    @property +    def case_sensitive(self) -> bool: +        return self._case_sensitive + +    @property +    def valid_values(self) -> list[str]: +        return self._valid_values + +    def _do_check_value(self, value): +        ok, err = self._do_check_str_format(value) +        return ok, (value if ok else err) + +    def _do_check_str_format(self, s): +        if _str_case_in(s, self.case_sensitive, self.valid_values): return True +        return False, f"Value is not in valid values ({ValueType.case_sensitive_to_str(self.case_sensitive)}): {self._valid_value_str}" + +    def _do_convert_value_to_str(self, value): +        return value + +    def _do_convert_str_to_value(self, s): +        return s + + +TEXT_VALUE_TYPE = TextValueType() +INTEGER_VALUE_TYPE = IntegerValueType() +BOOLEAN_VALUE_TYPE = BooleanValueType() + +P = ParamSpec('P') + + +class ValueGenerator(Generic[T, P]): +    INTERACTIVE_KEY: ClassVar[Literal["interactive"]] = "interactive" + +    def __init__(self, f: Callable[P, T], /, attributes: None | Mapping[str, Any] = None) -> None: +        self._f = f +        self._attributes = attributes or {} + +    @property +    def f(self) -> Callable[P, T]: +        return self._f + +    @property +    def attributes(self) -> Mapping[str, Any]: +        return self._attributes + +    def generate(self, *args, **kwargs) -> T: +        return self._f(*args, **kwargs) + +    def __call__(self, *args, **kwargs): +        return self._f(*args, **kwargs) + +    @property +    def interactive(self) -> bool: +        return self._attributes.get(ValueGenerator.INTERACTIVE_KEY, False) + +    @staticmethod +    def create_interactive(f: Callable[P, T], interactive: bool = True, /, +                           attributes: None | Mapping[str, Any] = None) -> "ValueGenerator[T, P]": +        return ValueGenerator(f, dict({ValueGenerator.INTERACTIVE_KEY: interactive}, **(attributes or {}))) + + +class UuidValueGenerator(ValueGenerator[str, []]): +    def __init__(self) -> None: +        super().__init__(lambda: str(uuid.uuid4())) + + +class RandomStringValueGenerator(ValueGenerator[str, []]): +    @staticmethod +    def _create_generate_ramdom_func(length: int, secure: bool) -> Callable[str, []]: +        random_choice = secrets.choice if secure else random.choice + +        def generate_random_string(): +            characters = string.ascii_letters + string.digits +            random_string = ''.join(random_choice(characters) for _ in range(length)) +            return random_string + +        return generate_random_string + +    def __init__(self, length: int, secure: bool) -> None: +        super().__init__(RandomStringValueGenerator._create_generate_ramdom_func(length, secure)) + + +UUID_VALUE_GENERATOR = UuidValueGenerator() diff --git a/tools/cru-py/crupest/__init__.py b/tools/cru-py/crupest/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tools/cru-py/crupest/__init__.py diff --git a/tools/cru-py/crupest/__main__.py b/tools/cru-py/crupest/__main__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tools/cru-py/crupest/__main__.py diff --git a/tools/cru-py/crupest/backup.py b/tools/cru-py/crupest/backup.py new file mode 100644 index 0000000..7921d0d --- /dev/null +++ b/tools/cru-py/crupest/backup.py @@ -0,0 +1,41 @@ +from .path import * +from rich.prompt import Prompt, Confirm +from urllib.request import urlretrieve +import subprocess +from datetime import datetime + + +def backup_restore(http_url_or_path, /, console): +    url = http_url_or_path +    if len(url) == 0: +        raise Exception("You specify an empty url. Abort.") +    if url.startswith("http://") or url.startswith("https://"): +        download_path = os.path.join(tmp_dir, "data.tar.xz") +        if os.path.exists(download_path): +            to_remove = Confirm.ask( +                f"I want to download to [cyan]{download_path}[/]. However, there is a file already there. Do you want to remove it first", default=False, console=console) +            if to_remove: +                os.remove(download_path) +            else: +                raise Exception( +                    "Aborted! Please check the file and try again.") +        urlretrieve(url, download_path) +        url = download_path +    subprocess.run(["sudo", "tar", "-xJf", url, "-C", project_dir], check=True) + + +def backup_backup(path, /, console): +    ensure_backup_dir() +    now = datetime.utcnow().isoformat(timespec="seconds") + "Z" +    if path is None: +        path = Prompt.ask( +            "You don't specify the path to backup to. Please specify one. http and https are NOT supported", console=console, default=os.path.join(backup_dir, now + ".tar.xz")) +    if len(path) == 0: +        raise Exception("You specify an empty path. Abort!") +    if os.path.exists(path): +        raise Exception( +            "A file is already there. Please remove it first. Abort!") +    subprocess.run( +        ["sudo", "tar", "-cJf", path, "data", "-C", project_dir], +        check=True +    ) diff --git a/tools/cru-py/crupest/certbot.py b/tools/cru-py/crupest/certbot.py new file mode 100644 index 0000000..8c89fa7 --- /dev/null +++ b/tools/cru-py/crupest/certbot.py @@ -0,0 +1,119 @@ +from typing import Literal, cast +import os +from os.path import join +import subprocess +from cryptography.x509 import load_pem_x509_certificate, DNSName, SubjectAlternativeName +from cryptography.x509.oid import ExtensionOID +from .tui import Paths, ensure_file, create_dir_if_not_exists, console + +CertbotAction = Literal['create', 'expand', 'shrink', 'renew'] + + +class Certbot: +    def __init__(self, root_domain: str, subdomains: list[str]) -> None: +        """ +        subdomain: like ["a", "b.c", ...] +        """ +        self.root_domain = root_domain +        self.subdomains = subdomains +        self.domains = [ +            root_domain, *[f"{subdomain}.{root_domain}" for subdomain in subdomains]] + +    def generate_command(self, action: CertbotAction, /, test=False, no_docker=False, *, standalone=None, email=None, agree_tos=False) -> str: +        add_domain_option = True +        if action == 'create': +            if standalone == None: +                standalone = True +            certbot_action = "certonly" +        elif action == 'expand' or action == 'shrink': +            if standalone == None: +                standalone = False +            certbot_action = "certonly" +        elif action == 'renew': +            if standalone == None: +                standalone = False +            add_domain_option = False +            certbot_action = "renew" +        else: +            raise ValueError('Invalid action') + +        if no_docker: +            command = "certbot " +        else: +            expose_segment = ' -p "0.0.0.0:80:80"' +            web_root_segment = f' -v "{Paths.project_abs_path}/data/certbot/webroot:/var/www/certbot"' +            command = f'docker run -it --rm --name certbot -v "{Paths.project_abs_path}/data/certbot/certs:/etc/letsencrypt" -v "{Paths.project_abs_path}/data/certbot/data:/var/lib/letsencrypt"{ expose_segment if  standalone else web_root_segment} certbot/certbot ' + +        command += certbot_action + +        if standalone: +            command += " --standalone" +        else: +            command += ' --webroot -w /var/www/certbot' + +        if add_domain_option: +            command += f' -d {" -d ".join(self.domains)}' + +        if email is not None: +            command += f' --email {email}' + +        if agree_tos: +            command += ' --agree-tos' + +        if test: +            command += " --test-cert --dry-run" + +        return command + +    def get_cert_path(self) -> str: +        return join(Paths.data_dir, "certbot", "certs", "live", self.root_domain, "fullchain.pem") + +    def get_cert_actual_domains(self, cert_path: str | None = None) -> None | list[str]: +        if cert_path is None: +            cert_path = self.get_cert_path() + +        if not ensure_file(cert_path): +            return None + +        with open(cert_path, 'rb') as f: +            cert = load_pem_x509_certificate(f.read()) +            ext = cert.extensions.get_extension_for_oid( +                ExtensionOID.SUBJECT_ALTERNATIVE_NAME) +            domains: list[str] = cast( +                SubjectAlternativeName, ext.value).get_values_for_type(DNSName) + +            # This weird code is to make sure the root domain is the first one +            if self.root_domain in domains: +                domains.remove(self.root_domain) +                domains = [self.root_domain, *domains] + +            return domains + +    def print_create_cert_message(self): +        console.print( +            "Looks like you haven't run certbot to get the init ssl certificates. You may want to run following code to get one:", style="cyan") +        console.print(self.generate_command("create"), +                      soft_wrap=True, highlight=False) + +    def check_ssl_cert(self, tmp_dir: str = Paths.tmp_dir): +        cert_path = self.get_cert_path() +        tmp_cert_path = join(tmp_dir, "fullchain.pem") +        console.print("Temporarily copy cert to tmp...", style="yellow") +        create_dir_if_not_exists(tmp_dir) +        subprocess.run( +            ["sudo", "cp", cert_path, tmp_cert_path], check=True) +        subprocess.run(["sudo", "chown", str( +            os.geteuid()), tmp_cert_path], check=True) +        cert_domains = self.get_cert_actual_domains(tmp_cert_path) +        if cert_domains is None: +            self.print_create_cert_message() +        else: +            cert_domain_set = set(cert_domains) +            domains = set(self.domains) +            if not cert_domain_set == domains: +                console.print( +                    "Cert domains are not equal to host domains. Run following command to recreate it with nginx stopped.", style="red") +                console.print(self.generate_command( +                    "create", standalone=True), soft_wrap=True, highlight=False) +            console.print("Remove tmp cert...", style="yellow") +            os.remove(tmp_cert_path) diff --git a/tools/cru-py/crupest/config.py b/tools/cru-py/crupest/config.py new file mode 100644 index 0000000..7a63e2a --- /dev/null +++ b/tools/cru-py/crupest/config.py @@ -0,0 +1,134 @@ +import os +import typing +import uuid +import random +import string +from dataclasses import dataclass + +from rich.prompt import Prompt + +from cru.config import Configuration +from cru.parsing import SimpleLineConfigParser +from .path import config_file_path + + +@dataclass +class ConfigurationMigrationInfo: +    duplicate_item_in_old_config: list[str] +    item + + +class OldConfiguration: +    def __init__(self, items: None | dict[str, str] = None) -> None: +        self._items = items or {} + +    @staticmethod +    def load_from_str(s: str) -> tuple["OldConfiguration", list[str, str]]: +        d, duplicate = SimpleLineConfigParser().parse_to_dict(s, True) +        return OldConfiguration(d), duplicate + +    def convert_to_new_config(self) -> Configuration: + + +class ConfigVar: +    def __init__(self, name: str, description: str, default_value_generator: typing.Callable[[], str] | str, /, +                 default_value_for_ask=str | None): +        """Create a config var. + +        Args: +            name (str): The name of the config var. +            description (str): The description of the config var. +            default_value_generator (typing.Callable[[], str] | str): The default value generator of the config var. If it is a string, it will be used as the input prompt and let user input the value. +        """ +        self.name = name +        self.description = description +        self.default_value_generator = default_value_generator +        self.default_value_for_ask = default_value_for_ask + +    def get_default_value(self, /, console): +        if isinstance(self.default_value_generator, str): +            return Prompt.ask(self.default_value_generator, console=console, default=self.default_value_for_ask) +        else: +            return self.default_value_generator() + + +config_var_list: list = [ +    ConfigVar("CRUPEST_DOMAIN", "domain name", +              "Please input your domain name"), +    ConfigVar("CRUPEST_EMAIL", "admin email address", +              "Please input your email address"), +    ConfigVar("CRUPEST_AUTO_BACKUP_COS_SECRET_ID", +              "access key id for Tencent COS, used for auto backup", +              "Please input your Tencent COS access key id for backup"), +    ConfigVar("CRUPEST_AUTO_BACKUP_COS_SECRET_KEY", +              "access key secret for Tencent COS, used for auto backup", +              "Please input your Tencent COS access key for backup"), +    ConfigVar("CRUPEST_AUTO_BACKUP_COS_REGION", +              "region for Tencent COS, used for auto backup", "Please input your Tencent COS region for backup", +              "ap-hongkong"), +    ConfigVar("CRUPEST_AUTO_BACKUP_BUCKET_NAME", +              "bucket name for Tencent COS, used for auto backup", +              "Please input your Tencent COS bucket name for backup"), +    ConfigVar("CRUPEST_GITHUB_USERNAME", +              "github username for fetching todos", "Please input your github username for fetching todos", "crupest"), +    ConfigVar("CRUPEST_GITHUB_PROJECT_NUMBER", +              "github project number for fetching todos", "Please input your github project number for fetching todos", +              "2"), +    ConfigVar("CRUPEST_GITHUB_TOKEN", +              "github token for fetching todos", "Please input your github token for fetching todos"), +    ConfigVar("CRUPEST_GITHUB_TODO_COUNT", +              "github todo count", "Please input your github todo count", 10), +    ConfigVar("CRUPEST_GITHUB_TODO_COUNT", +              "github todo count", "Please input your github todo count", 10), +    ConfigVar("CRUPEST_V2RAY_TOKEN", +              "v2ray user id", generate_uuid), +    ConfigVar("CRUPEST_V2RAY_PATH", +              "v2ray path, which will be prefixed by _", generate_uuid), +    ConfigVar("CRUPEST_FORGEJO_MAILER_USER", +              "Forgejo SMTP user.", "Please input your Forgejo SMTP user."), +    ConfigVar("CRUPEST_FORGEJO_MAILER_PASSWD", +              "Forgejo SMTP password.", "Please input your Forgejo SMTP password."), +    ConfigVar("CRUPEST_2FAUTH_APP_KEY", +              "2FAuth App Key.", generate_random_string_32), +    ConfigVar("CRUPEST_2FAUTH_MAIL_USERNAME", +              "2FAuth SMTP user.", "Please input your 2FAuth SMTP user."), +    ConfigVar("CRUPEST_2FAUTH_MAIL_PASSWORD", +              "2FAuth SMTP password.", "Please input your 2FAuth SMTP password."), +] + +config_var_name_set = set([config_var.name for config_var in config_var_list]) + + +def check_config_var_set(needed_config_var_set: set[str]) -> tuple[bool, list[str], list[str]]: +    more = [] +    less = [] +    for var_name in needed_config_var_set: +        if var_name not in config_var_name_set: +            more.append(var_name) +    for var_name in config_var_name_set: +        if var_name not in needed_config_var_set: +            less.append(var_name) +    return (True if len(more) == 0 else False, more, less) + + +def config_file_exists(): +    return ensure_file(Paths.config_file_path, must_exist=False) + + +def parse_config(str: str) -> dict[str, str]: +    return ConfigMap().load_from_str(str).to_dict() + + +def get_domain() -> str: +    if configuration is None: +        raise ValueError("Config file not found!") +    return configuration.get_domain() + + +def config_to_str(config: dict) -> str: +    return "\n".join([f"{key}={value}" for key, value in config.items()]) + + +def print_config(console, config: dict) -> None: +    for key, value in config.items(): +        console.print(f"[magenta]{key}[/] = [cyan]{value}") diff --git a/tools/cru-py/crupest/dns.py b/tools/cru-py/crupest/dns.py new file mode 100644 index 0000000..5006d5f --- /dev/null +++ b/tools/cru-py/crupest/dns.py @@ -0,0 +1,42 @@ +from os.path import * +from io import StringIO +import re +from .nginx import * + + +def generate_dns_zone(domain: str, ip: str, /, ttl: str | int = 600, *, enable_mail: bool = True, dkim: str | None = None) -> str: +    result = f"$ORIGIN {domain}.\n\n" +    result += "; A records\n" +    result += f"@ {ttl} IN A {ip}\n" +    subdomains = list_subdomain_names() +    for subdomain in subdomains: +        result += f"{subdomain} {ttl} IN A {ip}\n" + +    if enable_mail: +        result += "\n; MX records\n" +        result += f"@ {ttl} IN MX 10 mail.{domain}.\n" +        result += "\n; SPF record\n" +        result += f"@ {ttl} IN TXT \"v=spf1 mx ~all\"\n" +        if dkim is not None: +            result += "\n; DKIM record\n" +            result += f"mail._domainkey {ttl} IN TEXT \"{dkim}\"" +            result += "\n; DMARC record\n" +            result += "_dmarc {ttl} IN TXT \"v=DMARC1; p=none; rua=mailto:dmarc.report@{domain}; ruf=mailto:dmarc.report@{domain}; sp=none; ri=86400\"\n" +    return result + + +def get_dkim_from_mailserver(domain: str) -> str | None: +    dkim_path = join(data_dir, "dms/config/opendkim/keys", domain, "mail.txt") +    if not exists(dkim_path): +        return None + +    p = subprocess.run(["sudo", "cat", dkim_path], +                       capture_output=True, check=True) +    value = "" +    for match in re.finditer("\"(.*)\"", p.stdout.decode('utf-8')): +        value += match.group(1) +    return value + + +def generate_dns_zone_with_dkim(domain: str, ip: str, /, ttl: str | int = 600) -> str: +    return generate_dns_zone(domain, ip, ttl, enable_mail=True, dkim=get_dkim_from_mailserver(domain)) diff --git a/tools/cru-py/crupest/download_tools.py b/tools/cru-py/crupest/download_tools.py new file mode 100644 index 0000000..beb06d4 --- /dev/null +++ b/tools/cru-py/crupest/download_tools.py @@ -0,0 +1,47 @@ +import sys +from os.path import * +from urllib.request import * +from rich.prompt import Confirm +from .path import * +from .helper import print_order + + +TOOLS = [("docker-mailserver setup script", "docker-mailserver-setup.sh", +          "https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/setup.sh")] + + +def download_tools(console): +    # if we are not linux, we prompt the user +    if sys.platform != "linux": +        console.print( +            "You are not running this script on linux. The tools will not work.", style="yellow") +        if not Confirm.ask("Do you want to continue?", default=False, console=console): +            return + +    for index, script in enumerate(TOOLS): +        number = index + 1 +        total = len(TOOLS) +        print_order(number, total, console) +        name, filename, url = script +        # if url is callable, call it +        if callable(url): +            url = url() +        path = join(tool_dir, filename) +        skip = False +        if exists(path): +            overwrite = Confirm.ask( +                f"[cyan]{name}[/] already exists, download and overwrite?", default=False, console=console) +            if not overwrite: +                skip = True +        else: +            download = Confirm.ask( +                f"Download [cyan]{name}[/] to [magenta]{path}[/]?", default=True, console=console) +            if not download: +                skip = True +        if not skip: +            console.print(f"Downloading {name}...") +            urlretrieve(url, path) +            os.chmod(path, 0o755) +            console.print(f"Downloaded {name} to {path}.", style="green") +        else: +            console.print(f"Skipped {name}.", style="yellow") diff --git a/tools/cru-py/crupest/helper.py b/tools/cru-py/crupest/helper.py new file mode 100644 index 0000000..f8fe34a --- /dev/null +++ b/tools/cru-py/crupest/helper.py @@ -0,0 +1,18 @@ +import os +import os.path +from .path import * + + +def run_in_dir(dir: str, func: callable): +    old_dir = os.path.abspath(os.getcwd()) +    os.chdir(dir) +    func() +    os.chdir(old_dir) + + +def run_in_project_dir(func: callable): +    run_in_dir(project_dir, func) + + +def print_order(number: int, total: int, /, console) -> None: +    console.print(f"\[{number}/{total}]", end=" ", style="green") diff --git a/tools/cru-py/crupest/install_docker.py b/tools/cru-py/crupest/install_docker.py new file mode 100644 index 0000000..ac50290 --- /dev/null +++ b/tools/cru-py/crupest/install_docker.py @@ -0,0 +1,16 @@ +from os.path import * +from .path import * +import urllib +import subprocess + + +def install_docker(): +    ensure_tmp_dir() +    get_docker_path = join(tmp_dir, "get-docker.sh") +    urllib.request.urlretrieve("https://get.docker.com", get_docker_path) +    os.chmod(get_docker_path, 0o755) +    subprocess.run(["sudo", "sh", get_docker_path], check=True) +    subprocess.run(["sudo", "systemctl", "enable", +                   "--now", "docker"], check=True) +    subprocess.run(["sudo", "usermod", "-aG", "docker", +                   os.getlogin()], check=True) diff --git a/tools/cru-py/crupest/nginx.py b/tools/cru-py/crupest/nginx.py new file mode 100644 index 0000000..1ec5c6b --- /dev/null +++ b/tools/cru-py/crupest/nginx.py @@ -0,0 +1,246 @@ +from typing import cast +import json +import jsonschema +import os +from os.path import * +import shutil +import subprocess +from rich.prompt import Confirm +from cryptography.x509 import * +from cryptography.x509.oid import ExtensionOID +from .template import Template +from .path import * + +with open(join(nginx_template_dir, 'server.json')) as f: +    server = json.load(f) + +with open(join(nginx_template_dir, 'server.schema.json')) as f: +    schema = json.load(f) + +jsonschema.validate(server, schema) + +non_template_files = ['forbid_unknown_domain.conf', "websocket.conf"] + +ssl_template = Template(join(nginx_template_dir, 'ssl.conf.template')) +root_template = Template(join( +    nginx_template_dir, 'root.conf.template')) +static_file_template = Template(join( +    nginx_template_dir, 'static-file.conf.template')) +reverse_proxy_template = Template(join( +    nginx_template_dir, 'reverse-proxy.conf.template')) +redirect_template = Template(join( +    nginx_template_dir, 'redirect.conf.template')) +cert_only_template = Template(join( +    nginx_template_dir, 'cert-only.conf.template')) + +nginx_var_set = set.union(root_template.var_set, +                          static_file_template.var_set, reverse_proxy_template.var_set) + + +def list_subdomain_names() -> list: +    return [s["subdomain"] for s in server["sites"]] + + +def list_subdomains(domain: str) -> list: +    return [f"{s['subdomain']}.{domain}" for s in server["sites"]] + + +def list_domains(domain: str) -> list: +    return [domain, *list_subdomains(domain)] + + +def generate_nginx_config(domain: str, original_config, dest: str) -> None: +    if not isdir(dest): +        raise ValueError('dest must be a directory') +    # copy ssl.conf and https-redirect.conf which need no variable substitution +    for filename in non_template_files: +        src = join(nginx_template_dir, filename) +        dst = join(dest, filename) +        shutil.copyfile(src, dst) +    config = { +        "CRUPEST_DOMAIN": domain, +        "CRUPEST_V2RAY_TOKEN": original_config["CRUPEST_V2RAY_TOKEN"], +        "CRUPEST_V2RAY_PATH": original_config["CRUPEST_V2RAY_PATH"] +    } +    # generate ssl.conf +    with open(join(dest, 'ssl.conf'), 'w') as f: +        f.write(ssl_template.generate(config)) +    # generate root.conf +    with open(join(dest, f'{domain}.conf'), 'w') as f: +        root_config = config.copy() +        root_config["CRUPEST_V2RAY_TOKEN"] = config["CRUPEST_V2RAY_TOKEN"] +        root_config["CRUPEST_V2RAY_PATH"] = config["CRUPEST_V2RAY_PATH"] +        f.write(root_template.generate(config)) +    # generate nginx config for each site +    sites: list = server["sites"] +    for site in sites: +        subdomain = site["subdomain"] +        local_config = config.copy() +        local_config['CRUPEST_NGINX_SUBDOMAIN'] = subdomain +        if site["type"] == 'static-file': +            template = static_file_template +            local_config['CRUPEST_NGINX_ROOT'] = site["root"] +        elif site["type"] == 'reverse-proxy': +            template = reverse_proxy_template +            local_config['CRUPEST_NGINX_UPSTREAM_SERVER'] = site["upstream"] +        elif site["type"] == 'redirect': +            template = redirect_template +            local_config['CRUPEST_NGINX_URL'] = site["url"] +        elif site["type"] == 'cert-only': +            template = cert_only_template +        else: +            raise Exception('Invalid site type') +        with open(join(dest, f'{subdomain}.{domain}.conf'), 'w') as f: +            f.write(template.generate(local_config)) + + +def check_nginx_config_dir(dir_path: str, domain: str) -> list: +    if not exists(dir_path): +        return [] +    good_files = [*non_template_files, "ssl.conf", * +                  [f"{full_domain}.conf" for full_domain in list_domains(domain)]] +    bad_files = [] +    for path in os.listdir(dir_path): +        file_name = basename(path) +        if file_name not in good_files: +            bad_files.append(file_name) +    return bad_files + + +def restart_nginx(force=False) -> bool: +    if not force: +        p = subprocess.run(['docker', "container", "ls", +                           "-f", "name=nginx", "-q"], capture_output=True) +        container: str = p.stdout.decode("utf-8") +        if len(container.strip()) == 0: +            return False +    subprocess.run(['docker', 'restart', 'nginx']) +    return True + + +def nginx(domain: str, config, /, console) -> None: +    bad_files = check_nginx_config_dir(nginx_config_dir, domain) +    if len(bad_files) > 0: +        console.print( +            "WARNING: It seems there are some bad conf files in the nginx config directory:", style="yellow") +        for bad_file in bad_files: +            console.print(bad_file, style="cyan") +        to_delete = Confirm.ask( +            "They will affect nginx in a [red]bad[/] way. Do you want to delete them?", default=True, console=console) +        if to_delete: +            for file in bad_files: +                os.remove(join(nginx_config_dir, file)) +    console.print( +        "I have found following var in nginx templates:", style="green") +    for var in nginx_var_set: +        console.print(var, style="magenta") +    if not exists(nginx_config_dir): +        os.mkdir(nginx_config_dir) +        console.print( +            f"Nginx config directory created at [magenta]{nginx_config_dir}[/]", style="green") +    generate_nginx_config(domain, config, dest=nginx_config_dir) +    console.print("Nginx config generated.", style="green") +    if restart_nginx(): +        console.print('Nginx restarted.', style="green") + + +def certbot_command_gen(domain: str, action, /, test=False, no_docker=False, *, standalone=None, email=None, agree_tos=False) -> str: +    domains = list_domains(domain) + +    add_domain_option = True +    if action == 'create': +        if standalone == None: +            standalone = True +        certbot_action = "certonly" +    elif action == 'expand': +        if standalone == None: +            standalone = False +        certbot_action = "certonly" +    elif action == 'renew': +        if standalone == None: +            standalone = False +        add_domain_option = False +        certbot_action = "renew" +    else: +        raise ValueError('Invalid action') + +    if no_docker: +        command = "certbot " +    else: +        expose_segment = ' -p "0.0.0.0:80:80"' +        web_root_segment = ' -v "{project_abs_path}/data/certbot/webroot:/var/www/certbot"' +        command = f'docker run -it --rm --name certbot -v "{project_abs_path}/data/certbot/certs:/etc/letsencrypt" -v "{project_abs_path}/data/certbot/data:/var/lib/letsencrypt"{ expose_segment if  standalone else web_root_segment} certbot/certbot ' + +    command += certbot_action + +    if standalone: +        command += " --standalone" +    else: +        command += ' --webroot -w /var/www/certbot' + +    if add_domain_option: +        command += f' -d {" -d ".join(domains)}' + +    if email is not None: +        command += f' --email {email}' + +    if agree_tos: +        command += ' --agree-tos' + +    if test: +        command += " --test-cert --dry-run" + +    return command + + +def get_cert_path(root_domain): +    return join(data_dir, "certbot", "certs", "live", root_domain, "fullchain.pem") + + +def get_cert_domains(cert_path, root_domain): + +    if not exists(cert_path): +        return None + +    if not isfile(cert_path): +        return None + +    with open(cert_path, 'rb') as f: +        cert = load_pem_x509_certificate(f.read()) +        ext = cert.extensions.get_extension_for_oid( +            ExtensionOID.SUBJECT_ALTERNATIVE_NAME) +        domains: list[str] = cast( +                SubjectAlternativeName, ext.value).get_values_for_type(DNSName) +        domains.remove(root_domain) +        domains = [root_domain, *domains] +        return domains + + +def print_create_cert_message(domain, console): +    console.print( +        "Looks like you haven't run certbot to get the init ssl certificates. You may want to run following code to get one:", style="cyan") +    console.print(certbot_command_gen(domain, "create"), +                  soft_wrap=True, highlight=False) + + +def check_ssl_cert(domain, console): +    cert_path = get_cert_path(domain) +    tmp_cert_path = join(tmp_dir, "fullchain.pem") +    console.print("Temporarily copy cert to tmp...", style="yellow") +    subprocess.run( +        ["sudo", "cp", cert_path, tmp_cert_path], check=True) +    subprocess.run(["sudo", "chown", str(os.geteuid()), +                   tmp_cert_path], check=True) +    cert_domains = get_cert_domains(tmp_cert_path, domain) +    if cert_domains is None: +        print_create_cert_message(domain, console) +    else: +        cert_domain_set = set(cert_domains) +        domains = set(list_domains(domain)) +        if not cert_domain_set == domains: +            console.print( +                "Cert domains are not equal to host domains. Run following command to recreate it with nginx stopped.", style="red") +            console.print(certbot_command_gen( +                domain, "create", standalone=True), soft_wrap=True, highlight=False) +        console.print("Remove tmp cert...", style="yellow") +        os.remove(tmp_cert_path) diff --git a/tools/cru-py/crupest/path.py b/tools/cru-py/crupest/path.py new file mode 100644 index 0000000..0cfcfb8 --- /dev/null +++ b/tools/cru-py/crupest/path.py @@ -0,0 +1,57 @@ +import os +import os.path + +script_dir = os.path.relpath(os.path.dirname(__file__)) +project_dir = os.path.normpath(os.path.join(script_dir, "../../../")) +project_abs_path = os.path.abspath(project_dir) +template_dir = os.path.join(project_dir, "template") +nginx_template_dir = os.path.join(template_dir, "nginx") +data_dir = os.path.join(project_dir, "data") +tool_dir = os.path.join(project_dir, "tools") +tmp_dir = os.path.join(project_dir, "tmp") +backup_dir = os.path.join(project_dir, "backup") +config_file_path = os.path.join(data_dir, "config") +nginx_config_dir = os.path.join(project_dir, "nginx-config") +log_dir = os.path.join(project_dir, "log") + + +def ensure_file(path: str, /, must_exist: bool = True) -> bool: +    if must_exist and not os.path.exists(path): +        raise Exception(f"File {path} does not exist!") +    if not os.path.exists(path): +        return False +    if not os.path.isfile(path): +        raise Exception(f"{path} is not a file!") +    return True + + +def ensure_dir(path: str, /, must_exist: bool = True) -> bool: +    if must_exist and not os.path.exists(path): +        raise Exception(f"Directory {path} does not exist!") +    if not os.path.exists(path): +        return False +    if not os.path.isdir(path): +        raise Exception(f"{path} is not a directory!") +    return True + + +class Paths: +    script_dir = os.path.relpath(os.path.dirname(__file__)) +    project_dir = os.path.normpath(os.path.join(script_dir, "../../")) +    project_abs_path = os.path.abspath(project_dir) +    data_dir = os.path.join(project_dir, "data") +    config_file_path = os.path.join(data_dir, "config") +    template_dir = os.path.join(project_dir, "template") +    tool_dir = os.path.join(project_dir, "tool") +    tmp_dir = os.path.join(project_dir, "tmp") +    backup_dir = os.path.join(project_dir, "backup") +    log_dir = os.path.join(project_dir, "log") +    template2_dir = os.path.join(project_dir, "template2") +    nginx2_template_dir = os.path.join(template2_dir, "nginx") +    generated_dir = os.path.join(project_dir, "generated") +    nginx_generated_dir = os.path.join(generated_dir, "nginx") + + +def create_dir_if_not_exists(path: str) -> None: +    if not ensure_dir(path, must_exist=False): +        os.mkdir(path) diff --git a/tools/cru-py/crupest/setup.py b/tools/cru-py/crupest/setup.py new file mode 100644 index 0000000..4e91302 --- /dev/null +++ b/tools/cru-py/crupest/setup.py @@ -0,0 +1,233 @@ +from os.path import * +from datetime import datetime +from rich.prompt import Confirm +from .path import * +from .nginx import * +from .config import * +from .helper import * + + +def get_template_name_list(console) -> list[str]: +    console.print("First let's check all the templates...") + +    # get all filenames ending with .template +    template_name_list = [basename(f)[:-len('.template')] for f in os.listdir( +        template_dir) if f.endswith(".template")] +    console.print( +        f"I have found following template files in [magenta]{template_dir}[/]:", style="green") +    for filename in template_name_list: +        console.print(f"{filename}.template", style="magenta") + +    return template_name_list + + +def data_dir_check(domain, console): +    if isdir(data_dir): +        if not exists(join(data_dir, "certbot")): +            print_create_cert_message(domain, console) +        else: +            to_check = Confirm.ask( +                "I want to check your ssl certs, but I need to sudo. Do you want me check", console=console, default=False) +            if to_check: +                check_ssl_cert(domain, console) + + +def template_generate(console): +    template_name_list = get_template_name_list(console) +    template_list: list = [] +    config_var_name_set_in_template = set() +    for template_name in template_name_list: +        template = Template(join(template_dir, template_name+".template")) +        template_list.append(template) +        config_var_name_set_in_template.update(template.var_set) + +    console.print( +        "I have found following variables needed in templates:", style="green") +    for key in config_var_name_set_in_template: +        console.print(key, style="magenta") + +    # check vars +    check_success, more, less = check_config_var_set( +        config_var_name_set_in_template) +    if len(more) != 0: +        console.print("There are more variables in templates than in config file:", +                      style="red") +        for key in more: +            console.print(key, style="magenta") +    if len(less) != 0: +        console.print("Following config vars are not used:", +                      style="yellow") +        for key in less: +            console.print(key, style="magenta") + +    if not check_success: +        console.print( +            "Please check you config vars and make sure the needed ones are defined!", style="red") +    else: +        console.print( +            "Now let's check if they are already generated...") + +        conflict = False + +        # check if there exists any generated files +        for filename in template_name_list: +            if exists(join(project_dir, filename)): +                console.print(f"Found [magenta]{filename}[/]") +                conflict = True + +        to_gen = True +        if conflict: +            to_overwrite = Confirm.ask( +                "It seems there are some files already generated. Do you want to overwrite them?", console=console, default=False) +            if not to_overwrite: +                to_gen = False +                console.print( +                    "Great! Check the existing files and see you next time!", style="green") +        else: +            print("No conflict found. Let's go on!\n") + +        if to_gen: +            console.print("Check for existing config file...") + +            # check if there exists a config file +            if not config_file_exists(): +                config = {} +                console.print( +                    "No existing config file found. Don't worry. Let's create one!", style="green") +                for config_var in config_var_list: +                    config[config_var.name] = config_var.get_default_value() +                config_content = config_to_str(config) +                # create data dir if not exist +                if not exists(data_dir): +                    os.mkdir(data_dir) +                # write config file +                with open(config_file_path, "w") as f: +                    f.write(config_content) +                console.print( +                    f"Everything else is auto generated. The config file is written into [magenta]{config_file_path}[/]. You had better keep it safe. And here is the content:", style="green") +                print_config(console, config) +                is_ok = Confirm.ask( +                    "If you think it's not ok, you can stop here and edit it. Or let's go on?", console=console, default=True) +                if not is_ok: +                    console.print( +                        "Great! Check the config file and see you next time!", style="green") +                    to_gen = False +            else: +                console.print( +                    "Looks like you have already had a config file. Let's check the content:", style="green") +                with open(config_file_path, "r") as f: +                    content = f.read() +                config = parse_config(content) +                print_config(console, config) +                missed_config_vars = [] +                for config_var in config_var_list: +                    if config_var.name not in config: +                        missed_config_vars.append(config_var) + +                if len(missed_config_vars) > 0: +                    console.print( +                        "Oops! It seems you have missed some keys in your config file. Let's add them!", style="green") +                    for config_var in missed_config_vars: +                        config[config_var.name] = config_var.get_default_value( +                            console) +                    content = config_to_str(config) +                    with open(config_file_path, "w") as f: +                        f.write(content) +                    console.print( +                        f"Here is the new config, it has been written out to [magenta]{config_file_path}[/]:") +                    print_config(console, config) +                good_enough = Confirm.ask("Is it good enough?", +                                          console=console, default=True) +                if not good_enough: +                    console.print( +                        "Great! Check the config file and see you next time!", style="green") +                    to_gen = False + +        domain = get_domain() + +        if to_gen: +            console.print( +                "Finally, everything is ready. Let's generate the files:", style="green") + +            # generate files +            for index, template in enumerate(template_list): +                number = index + 1 +                total = len(template_list) +                print_order(number, total, console) +                console.print( +                    f"Generating [magenta]{template.template_name}[/]...") +                content = template.generate(config) +                with open(join(project_dir, template.template_name), "w") as f: +                    f.write(content) + +            # generate nginx config +            if not exists(nginx_config_dir): +                to_gen_nginx_conf = Confirm.ask("It seems you haven't generate nginx config. Do you want to generate it?", +                                                default=True, console=console) +            else: +                # get the latest time of files in nginx template +                template_time = 0 +                for path in os.listdir(nginx_template_dir): +                    template_time = max(template_time, os.stat( +                        join(nginx_template_dir, path)).st_mtime) +                console.print( +                    f"Nginx template update time: {datetime.fromtimestamp(template_time)}") + +                nginx_config_time = 0 +                for path in os.listdir(nginx_config_dir): +                    nginx_config_time = max(nginx_config_time, os.stat( +                        join(nginx_config_dir, path)).st_mtime) +                console.print( +                    f"Generated nginx template update time: {datetime.fromtimestamp(nginx_config_time)}") +                if template_time > nginx_config_time: +                    to_gen_nginx_conf = Confirm.ask("It seems you have updated the nginx template and not regenerate config. Do you want to regenerate the nginx config?", +                                                    default=True, console=console) +                else: +                    to_gen_nginx_conf = Confirm.ask("[yellow]It seems you have already generated nginx config. Do you want to overwrite it?[/]", +                                                    default=False, console=console) +            if to_gen_nginx_conf: +                nginx(domain, config, console) +    data_dir_check(domain, console) + + +def clear(console, /, delete_data_dir=False): +    template_name_list = get_template_name_list(console) +    # check root if we have to delete data dir +    if delete_data_dir and exists(data_dir) and os.geteuid() != 0: +        console.print( +            "You need to be root to delete data dir.", style="red") +        exit(1) + +    to_delete = Confirm.ask( +        "[yellow]Are you sure you want to delete everything? all your data will be lost![/]", default=False, console=console) +    if to_delete: +        files_to_delete = [] +        for template_name in template_name_list: +            f = join(project_dir, template_name) +            if exists(f): +                files_to_delete.append(f) + +    delete_data_dir = delete_data_dir and exists( +        data_dir) + +    if len(files_to_delete) == 0: +        console.print( +            "Nothing to delete. We are safe!", style="green") +    else: +        console.print("Here are the files to delete:") +        for f in files_to_delete: +            console.print(f, style="magenta") +        if delete_data_dir: +            console.print(data_dir + " (data dir)", +                          style="magenta") + +        to_delete = Confirm.ask( +            "[red]Are you sure you want to delete them?[/]", default=False, console=console) +        if to_delete: +            for f in files_to_delete: +                os.remove(f) +            if delete_data_dir: +                # recursively delete data dir +                shutil.rmtree(data_dir) +        console.print( +            "Your workspace is clean now!", style="green") diff --git a/tools/cru-py/crupest/template.py b/tools/cru-py/crupest/template.py new file mode 100644 index 0000000..9747af1 --- /dev/null +++ b/tools/cru-py/crupest/template.py @@ -0,0 +1,32 @@ +import os.path +import re + + +class Template: +    def __init__(self, template_path: str, var_prefix: str = "CRUPEST"): +        if len(var_prefix) != 0 and re.fullmatch(r"^[a-zA-Z_][a-zA-Z0-9_]*$", var_prefix) is None: +            raise ValueError("Invalid var prefix.") +        self.template_path = template_path +        self.template_name = os.path.basename( +            template_path)[:-len(".template")] +        with open(template_path, "r") as f: +            self.template = f.read() +        self.var_prefix = var_prefix +        self.__var_regex = re.compile(r"\$(" + var_prefix + r"_[a-zA-Z0-9_]+)") +        self.__var_brace_regex = re.compile( +            r"\$\{\s*(" + var_prefix + r"_[a-zA-Z0-9_]+)\s*\}") +        var_set = set() +        for match in self.__var_regex.finditer(self.template): +            var_set.add(match.group(1)) +        for match in self.__var_brace_regex.finditer(self.template): +            var_set.add(match.group(1)) +        self.var_set = var_set + +    def generate(self, config: dict) -> str: +        result = self.template +        for var in self.var_set: +            if var not in config: +                raise ValueError(f"Missing config var {var}.") +            result = result.replace("$" + var, config[var]) +            result = re.sub(r"\$\{\s*" + var + r"\s*\}", config[var], result) +        return result diff --git a/tools/cru-py/crupest/template2.py b/tools/cru-py/crupest/template2.py new file mode 100644 index 0000000..ae096df --- /dev/null +++ b/tools/cru-py/crupest/template2.py @@ -0,0 +1,45 @@ +import os.path +import re + +_template_filename_suffix = ".template" +_template_var_regex = r"\$([-_a-zA-Z0-9]+)" +_template_var_brace_regex = r"\$\{\s*([-_a-zA-Z0-9]+?)\s*\}" + + +class Template2: + +    @staticmethod +    def from_file(template_path: str) -> "Template2": +        if not template_path.endswith(_template_filename_suffix): +            raise Exception( +                "Template file must have a name ending with .template.") +        template_name = os.path.basename( +            template_path)[:-len(_template_filename_suffix)] +        with open(template_path, "r") as f: +            template = f.read() +        return Template2(template_name, template, template_path=template_path) + +    def __init__(self, template_name: str, template: str, *, template_path: str | None = None) -> None: +        self.template_name = template_name +        self.template = template +        self.template_path = template_path +        self.var_set = set() +        for match in re.finditer(_template_var_regex, self.template): +            self.var_set.add(match.group(1)) +        for match in re.finditer(_template_var_brace_regex, self.template): +            self.var_set.add(match.group(1)) + +    def partial_render(self, vars: dict[str, str]) -> "Template2": +        t = self.render(vars) +        return Template2(self.template_name, t, template_path=self.template_path) + +    def render(self, vars: dict[str, str]) -> str: +        for name in vars.keys(): +            if name not in self.var_set: +                raise ValueError(f"Invalid var name {name}.") + +        text = self.template +        for name, value in vars.items(): +            text = text.replace("$" + name, value) +            text = re.sub(r"\$\{\s*" + name + r"\s*\}", value, text) +        return text diff --git a/tools/cru-py/crupest/test.py b/tools/cru-py/crupest/test.py new file mode 100644 index 0000000..d6eb778 --- /dev/null +++ b/tools/cru-py/crupest/test.py @@ -0,0 +1,31 @@ +import json +from http.client import * +from urllib.request import urlopen + + +def test_crupest_api(console): +    def do_the_test(): +        res: HTTPResponse = urlopen("http://localhost:5188/api/todos") +        body = res.read() + +        if res.status != 200: +            raise Exception("Status code is not 200.") +        result = json.loads(body) +        if not isinstance(result,  list): +            raise Exception("Result is not an array.") +        if len(result) == 0: +            raise Exception("Result is an empty array.") +        if not isinstance(result[0], dict): +            raise Exception("Result[0] is not an object.") +        if not isinstance(result[0].get("title"), str): +            raise Exception("Result[0].title is not a string.") +        if not isinstance(result[0].get("status"), str): +            raise Exception("Result[0].status is not a string.") + +    try: +        do_the_test() +        console.print("Test passed!", style="green") +        exit(0) +    except Exception as e: +        console.print(e) +        console.print("Test failed!", style="red") diff --git a/tools/cru-py/crupest/tui.py b/tools/cru-py/crupest/tui.py new file mode 100644 index 0000000..20ba1dd --- /dev/null +++ b/tools/cru-py/crupest/tui.py @@ -0,0 +1,7 @@ +from rich.console import Console +from rich.prompt import Prompt, Confirm + +Prompt = Prompt +Confirm = Confirm + +console = Console() diff --git a/tools/cru-py/crupest/ui_base.py b/tools/cru-py/crupest/ui_base.py new file mode 100644 index 0000000..b26e65b --- /dev/null +++ b/tools/cru-py/crupest/ui_base.py @@ -0,0 +1,19 @@ +from .tui import console + +good_style = "green" +warning_style = "yellow" +error_style = "red bold" +file_name_style = "cyan bold" +var_style = "magenta bold" +value_style = "cyan bold" +bye_style = "cyan" + + +def print_with_indent(value: str, style: str,  /, indent: int = 0, *, indent_width: int = 2, end='\n'): +    console.print( +        f'{" " * indent * indent_width}[{style}]{value}[/]', end=end) + + +def print_var_value(name: str, value: str, /, indent: int = 0, *, indent_width: int = 2, end='\n'): +    console.print( +        f'{" " * indent * indent_width}[{var_style}]{name}[/] = [{value_style}]{value}[/]', end=end) diff --git a/tools/cru-py/requirements.txt b/tools/cru-py/requirements.txt new file mode 100644 index 0000000..2fb5657 --- /dev/null +++ b/tools/cru-py/requirements.txt @@ -0,0 +1,3 @@ +rich +jsonschema +cryptography diff --git a/tools/cru-py/update-blog b/tools/cru-py/update-blog new file mode 100644 index 0000000..e4a25ab --- /dev/null +++ b/tools/cru-py/update-blog @@ -0,0 +1,2 @@ +#! /usr/bin/env sh +exec python3 "$(dirname "$0")/aio.py" update-blog "$@" diff --git a/tools/cru-py/www-dev b/tools/cru-py/www-dev new file mode 100644 index 0000000..f56d679 --- /dev/null +++ b/tools/cru-py/www-dev @@ -0,0 +1,8 @@ +#! /usr/bin/env sh + +set -e + +cd "$(dirname "$0")/../.." + +exec tmux new-session 'cd docker/crupest-nginx/sites/www && pnpm start' \; \ +    split-window -h 'cd docker/crupest-api/CrupestApi/CrupestApi && dotnet run --launch-profile dev'  | 
