mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-10-29 03:18:14 +08:00
263 lines
10 KiB
Python
263 lines
10 KiB
Python
"""
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插件载荷来源准入与目标身份规划。
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"""
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from __future__ import annotations
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from collections.abc import Mapping, Sequence
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from dataclasses import dataclass
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from datetime import datetime
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from app.application.plugin.declaration import PluginDeclaredMetadata
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from app.application.plugin.identity import (
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PluginBindingBasis,
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PluginIdentity,
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TrustedPluginSourceType,
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)
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from app.application.plugin.inventory import normalize_github_plugin_source
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from app.application.plugin.source import (
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Candidate,
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CandidateInventory,
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PluginLocalCandidate,
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PluginSelectionStatus,
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select_plugin_candidate,
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)
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from app.domain.plugin import (
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parse_local_plugin_generation,
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parse_local_plugin_reference,
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)
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class PluginSourceAdmissionError(RuntimeError):
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"""
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插件来源冲突、库存不完整或换源授权无效。
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"""
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@dataclass(frozen=True, slots=True)
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class PluginInstallAdmissionRequest:
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"""
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一次安装调用中会影响来源选择的显式业务参数。
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:param plugin_id: 物理插件标识，不使用分身实例标识
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:param generations: 本次来源选择允许的包代际，按调用方优先级排列
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:param requested_repo_url: 显式请求的仓库地址；None 表示由当前身份和候选策略选择
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:param explicit_source: 调用方是否明确指定了来源
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:param source_change: 本次是否为显式更换可信来源
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:param expected_revision: 调用方预期的身份版本；None 表示预期身份尚不存在
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"""
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plugin_id: str
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generations: Sequence[str]
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requested_repo_url: str | None = None
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explicit_source: bool = False
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source_change: bool = False
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expected_revision: int | None = None
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@dataclass(frozen=True, slots=True)
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class PluginInstallAdmission:
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"""
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下载前冻结的候选与身份转换决策。
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:param candidate: 已通过来源准入的唯一载荷候选
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:param identity_before: 本次安装前的身份快照；首次安装时为 None
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:param binding_basis: 建立或变更可信来源绑定的依据
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:param trusted_source_type: 自动更新信任的来源类型；未绑定时为 UNKNOWN
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:param trusted_source_key: 已绑定的可信在线仓库键；未绑定时为 None
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:param bound_at: 可信来源建立绑定的带时区时间；未绑定时为 None
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"""
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candidate: Candidate
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identity_before: PluginIdentity | None
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binding_basis: PluginBindingBasis
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trusted_source_type: TrustedPluginSourceType
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trusted_source_key: str | None
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bound_at: datetime | None
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@property
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def expected_revision(self) -> int | None:
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"""
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返回最终数据库提交必须匹配的身份版本号。
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"""
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return self.identity_before.revision if self.identity_before else None
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def build_identity(
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self,
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*,
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payload_receipt: str,
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applied_at: datetime,
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declared_version: str | None = None,
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manifest_matches_payload: bool = True,
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) -> PluginIdentity:
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"""
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在载荷落盘并生成收据后构造唯一数据库提交目标。
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"""
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current = self.identity_before
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plugin_id = current.plugin_id if current else self.candidate.plugin_id
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metadata = self.candidate.dto if isinstance(self.candidate.dto, Mapping) else {}
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installed_version = declared_version or self.candidate.plugin_version
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source_binding_changed = (
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self.trusted_source_type is not TrustedPluginSourceType.UNKNOWN
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and (
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current is None
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or current.trusted_source_type is TrustedPluginSourceType.UNKNOWN
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or current.trusted_source_type is not self.trusted_source_type
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or current.trusted_source_key != self.trusted_source_key
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)
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)
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return PluginIdentity(
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plugin_id=plugin_id,
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normalized_plugin_id=plugin_id.lower(),
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trusted_source_type=self.trusted_source_type,
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trusted_source_key=self.trusted_source_key,
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binding_basis=self.binding_basis,
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payload_source_type=self.candidate.payload_source_type,
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payload_source_key=(
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None
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if isinstance(self.candidate, PluginLocalCandidate)
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else self.candidate.source_key
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),
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declared_version=installed_version,
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package_generation=self.candidate.package_generation,
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declared_metadata=PluginDeclaredMetadata.from_package(
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metadata,
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declaration_version=self.candidate.plugin_version,
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manifest_matches_payload=manifest_matches_payload,
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),
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payload_receipt=payload_receipt,
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revision=(current.revision + 1) if current else 1,
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created_at=current.created_at if current else applied_at,
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updated_at=applied_at,
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bound_at=applied_at if source_binding_changed else self.bound_at,
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payload_applied_at=applied_at,
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)
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def admit_plugin_install(
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inventory: CandidateInventory,
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*,
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request: PluginInstallAdmissionRequest,
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identity: PluginIdentity | None,
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now: datetime,
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) -> PluginInstallAdmission:
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"""
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选择唯一允许载荷，并冻结最终身份转换的可信来源边界。
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"""
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if now.tzinfo is None:
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raise PluginSourceAdmissionError("插件安装准入时间必须包含时区")
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if identity is not None and now < identity.updated_at:
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raise PluginSourceAdmissionError("插件安装准入时间不能早于当前身份更新时间")
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bound_at: datetime | None
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if request.source_change:
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if not request.explicit_source or not request.requested_repo_url:
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raise PluginSourceAdmissionError("请选择要更换到的插件仓库")
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if request.requested_repo_url.startswith("local://"):
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raise PluginSourceAdmissionError("只能更换为在线插件仓库")
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if identity is None or identity.trusted_source_type is TrustedPluginSourceType.UNKNOWN:
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raise PluginSourceAdmissionError("当前插件尚未绑定仓库")
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if request.expected_revision != identity.revision:
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raise PluginSourceAdmissionError("插件状态已变化，请重新打开页面后再试")
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elif request.expected_revision is not None:
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raise PluginSourceAdmissionError("插件操作参数无效，请重新打开页面后再试")
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requested_source_key = None
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local_candidates = None
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if request.requested_repo_url:
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if request.requested_repo_url.startswith("local://"):
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referenced_plugin_id = parse_local_plugin_reference(
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request.requested_repo_url
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)
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if (
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referenced_plugin_id is None
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or referenced_plugin_id.lower() != request.plugin_id.lower()
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):
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raise PluginSourceAdmissionError(
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"所选本地插件与安装目标不一致"
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)
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available_local_candidates = inventory.local_candidates_for(
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request.plugin_id
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)
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requested_generation = parse_local_plugin_generation(
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request.requested_repo_url
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)
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exact_candidates = tuple(
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candidate
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for candidate in available_local_candidates
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if requested_generation is None
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or candidate.package_generation == requested_generation
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)
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local_candidates = exact_candidates or available_local_candidates
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if not local_candidates:
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raise PluginSourceAdmissionError("所选本地仓库中没有该插件")
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else:
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requested_source_key, _repo_url = normalize_github_plugin_source(
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request.requested_repo_url
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)
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selection = select_plugin_candidate(
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inventory,
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plugin_id=request.plugin_id,
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generations=request.generations,
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identity=identity,
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local_candidates=local_candidates,
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requested_source_key=requested_source_key,
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explicit_source=request.explicit_source,
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allow_source_change=request.source_change,
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)
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if selection.status is not PluginSelectionStatus.SELECTED or selection.candidate is None:
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raise PluginSourceAdmissionError(selection.reason or "当前无法确认插件仓库")
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candidate = selection.candidate
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if not candidate.plugin_version:
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raise PluginSourceAdmissionError("插件包缺少版本信息，无法安装")
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if isinstance(candidate, PluginLocalCandidate):
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if identity is not None and identity.trusted_source_type is not TrustedPluginSourceType.UNKNOWN:
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return PluginInstallAdmission(
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candidate=candidate,
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identity_before=identity,
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binding_basis=identity.binding_basis,
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trusted_source_type=identity.trusted_source_type,
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trusted_source_key=identity.trusted_source_key,
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bound_at=identity.bound_at,
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)
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return PluginInstallAdmission(
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candidate=candidate,
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identity_before=identity,
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binding_basis=PluginBindingBasis.LOCAL_ONLY,
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trusted_source_type=TrustedPluginSourceType.UNKNOWN,
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trusted_source_key=None,
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bound_at=None,
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)
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if request.source_change:
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if (
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identity is not None
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and identity.trusted_source_type is candidate.source_type
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and identity.trusted_source_key == candidate.source_key
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):
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raise PluginSourceAdmissionError("所选仓库与当前绑定仓库相同")
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basis = PluginBindingBasis.EXPLICIT_SOURCE_CHANGE
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bound_at = now
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elif identity is not None and identity.trusted_source_type is not TrustedPluginSourceType.UNKNOWN:
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basis = identity.binding_basis
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bound_at = identity.bound_at
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elif request.explicit_source:
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basis = PluginBindingBasis.EXPLICIT_INSTALL
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bound_at = now
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elif candidate.source_type is TrustedPluginSourceType.OFFICIAL:
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basis = PluginBindingBasis.OFFICIAL_DEFAULT
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bound_at = now
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else:
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basis = PluginBindingBasis.TOFU
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bound_at = now
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return PluginInstallAdmission(
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candidate=candidate,
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identity_before=identity,
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binding_basis=basis,
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trusted_source_type=candidate.source_type,
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trusted_source_key=candidate.source_key,
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bound_at=bound_at,
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)
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