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import re |
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from collections import defaultdict |
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|
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from fastapi import APIRouter |
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from fastapi import Header, HTTPException, Path, Request, Response |
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from starlette.responses import HTMLResponse |
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|
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from app.db import crud |
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from app.db.models import Settings |
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from app.dependencies import DBDep, SubUserDep, StartDateDep, EndDateDep |
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from app.models.settings import SubscriptionSettings |
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from app.models.system import TrafficUsageSeries |
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from app.models.user import UserResponse |
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from app.utils.share import ( |
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encode_title, |
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generate_subscription, |
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generate_subscription_template, |
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) |
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|
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router = APIRouter(prefix="/sub", tags=["Subscription"]) |
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|
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|
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config_mimetype = defaultdict( |
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lambda: "text/plain", |
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{ |
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"links": "text/plain", |
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"base64-links": "text/plain", |
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"sing-box": "application/json", |
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"xray": "application/json", |
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"clash": "text/yaml", |
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"clash-meta": "text/yaml", |
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"template": "text/html", |
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"block": "text/plain", |
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}, |
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) |
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|
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|
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def get_subscription_user_info(user: UserResponse) -> dict: |
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return { |
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"upload": 0, |
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"download": user.used_traffic, |
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"total": user.data_limit or 0, |
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"expire": ( |
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int(user.expire_date.timestamp()) |
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if user.expire_strategy == "fixed_date" |
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else 0 |
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), |
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} |
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|
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|
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@router.get("/{username}/{key}") |
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def user_subscription( |
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db_user: SubUserDep, |
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request: Request, |
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db: DBDep, |
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user_agent: str = Header(default=""), |
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): |
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""" |
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Subscription link, result format depends on subscription settings |
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""" |
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|
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user: UserResponse = UserResponse.model_validate(db_user) |
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|
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crud.update_user_sub(db, db_user, user_agent) |
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|
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subscription_settings = SubscriptionSettings.model_validate( |
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db.query(Settings.subscription).first()[0] |
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) |
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|
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if ( |
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subscription_settings.template_on_acceptance |
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and "text/html" in request.headers.get("Accept", []) |
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): |
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return HTMLResponse( |
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generate_subscription_template(db_user, subscription_settings) |
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) |
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|
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response_headers = { |
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"content-disposition": f'attachment; filename="{user.username}"', |
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"profile-web-page-url": str(request.url), |
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"support-url": subscription_settings.support_link, |
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"profile-title": encode_title(subscription_settings.profile_title), |
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"profile-update-interval": str(subscription_settings.update_interval), |
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"subscription-userinfo": "; ".join( |
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f"{key}={val}" |
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for key, val in get_subscription_user_info(user).items() |
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), |
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} |
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|
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for rule in subscription_settings.rules: |
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if re.match(rule.pattern, user_agent): |
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if rule.result.value == "template": |
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return HTMLResponse( |
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generate_subscription_template( |
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db_user, subscription_settings |
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) |
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) |
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elif rule.result.value == "block": |
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raise HTTPException(404) |
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elif rule.result.value == "base64-links": |
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b64 = True |
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config_format = "links" |
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else: |
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b64 = False |
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config_format = rule.result.value |
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|
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conf = generate_subscription( |
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user=db_user, |
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config_format=config_format, |
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as_base64=b64, |
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use_placeholder=not user.is_active |
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and subscription_settings.placeholder_if_disabled, |
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placeholder_remark=subscription_settings.placeholder_remark, |
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shuffle=subscription_settings.shuffle_configs, |
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) |
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return Response( |
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content=conf, |
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media_type=config_mimetype[rule.result], |
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headers=response_headers, |
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) |
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|
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|
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@router.get("/{username}/{key}/info", response_model=UserResponse) |
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def user_subscription_info(db_user: SubUserDep): |
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return db_user |
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|
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|
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@router.get("/{username}/{key}/usage", response_model=TrafficUsageSeries) |
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def user_get_usage( |
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db_user: SubUserDep, |
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db: DBDep, |
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start_date: StartDateDep, |
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end_date: EndDateDep, |
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): |
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per_day = (end_date - start_date).total_seconds() > 3 * 86400 |
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return crud.get_user_total_usage( |
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db, db_user, start_date, end_date, per_day=per_day |
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) |
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|
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|
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client_type_mime_type = { |
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"sing-box": "application/json", |
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"clash-meta": "text/yaml", |
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"clash": "text/yaml", |
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"xray": "application/json", |
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"v2ray": "text/plain", |
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} |
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|
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|
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@router.get("/{username}/{key}/{client_type}") |
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def user_subscription_with_client_type( |
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db: DBDep, |
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db_user: SubUserDep, |
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request: Request, |
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client_type: str = Path(regex="sing-box|clash-meta|clash|xray|v2ray"), |
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): |
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""" |
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Subscription by client type; v2ray, xray, sing-box, clash and clash-meta formats supported |
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""" |
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|
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user: UserResponse = UserResponse.model_validate(db_user) |
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|
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subscription_settings = SubscriptionSettings.model_validate( |
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db.query(Settings.subscription).first()[0] |
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) |
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|
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response_headers = { |
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"content-disposition": f'attachment; filename="{user.username}"', |
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"profile-web-page-url": str(request.url), |
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"support-url": subscription_settings.support_link, |
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"profile-title": encode_title(subscription_settings.profile_title), |
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"profile-update-interval": str(subscription_settings.update_interval), |
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"subscription-userinfo": "; ".join( |
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f"{key}={val}" |
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for key, val in get_subscription_user_info(user).items() |
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), |
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} |
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|
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conf = generate_subscription( |
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user=db_user, |
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config_format="links" if client_type == "v2ray" else client_type, |
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as_base64=client_type == "v2ray", |
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use_placeholder=not user.is_active |
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and subscription_settings.placeholder_if_disabled, |
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placeholder_remark=subscription_settings.placeholder_remark, |
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shuffle=subscription_settings.shuffle_configs, |
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) |
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return Response( |
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content=conf, |
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media_type=client_type_mime_type[client_type], |
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headers=response_headers, |
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) |