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eporner: stream through the server; the signed CDN links are IP-locked

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The redirect proxy from 6ba65f1 still played the one-minute "watch on
eporner.com" clip away from home: checked from foreign networks
(check-host.net nodes in BR/DE/HU), a freshly signed link answers 302 ->
static.eporner.com/na.mp4, while the IP that resolved it gets the file. A
redirect therefore only works for a player behind the server's public IP.

/proxy/eporner/{alnum_id}/{height}.mp4 now streams the mp4: resolves the
link (cached 90 min, re-resolved when the CDN answers with a redirect),
forwards Range, and returns a sized body so 206 responses keep
Content-Length. It is no longer a redirect proxy, so app clients keep the
URLs in formats. Verified locally: HEAD, 0-1, mid-file and open-ended ranges
return 206 with Content-Length/Content-Range and valid MP4 data.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MUYdCh2nCVsQYgJAT7gwSi
This commit is contained in:
Simon
2026-10-22 20:46:14 +00:00
parent 6ba65f1457
commit e5a2afcc70
7 changed files with 194 additions and 66 deletions
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4
docs/provider-catalog.md
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@@ -83,7 +83,7 @@ This is the current implementation inventory as of this snapshot of the repo. Us
| `fullporner` | `mainstream-tube` | no | no | HTML scraper for fullporner.com; thumbnail IDs derived from `/thumb/{id}.jpg` URLs and used to build direct `xiaoshenke.net/vid/{id}/720` media redirect URLs (Referer + User-Agent headers required); supports cat:/category:/pornstar:/star: shortcut queries; no proxy needed. |
| `cumlouder` | `mainstream-tube` | no | no | HTML scraper for cumlouder.com (Spanish/amateur tube, same platform family as superporn). Cards are `a.muestra-escena[href^="/porn-video/"]` with lazy thumb in `img[data-src]` (protocol-relative `//th0cdn.cumlouder.com/...`, direct, no Referer/proxy), `h2` title, `.vistas` views, `.minutos` duration (`06:14 m`); relative date only ("2 years ago"), so `uploadedAt` is not set. Default feed `/porn/` (page N≥2 is the bare `/N/` path, not `/porn/N/`); category `/porn-videos/{slug}/{N}/`; tag `/tag/{slug}/{N}/`; series `/series/{slug}/{N}/`. **The site's own `/search/` (POST `form[search]` or `?q=`) is behind a Cloudflare managed challenge — 403 even in a real browser — so keyword queries are routed instead: a query matching a hardcoded category (72, scraped from `/categories/`) goes to the category archive, anything else to `/tag/{slug}/` (unknown tags 404 → empty list).** Pornstar pages live at `/girl/{slug}/{N}/` (same cards/pagination; unknown slug = fast 404). A free-form keyword that is not a category is tried as a pornstar page first, then as a tag archive; `girl:`/`pornstar:`/`star:`/`model:` force the pornstar page. Supports `cat:`/`category:`, `tag:`, `series:` prefixes and the `categories` option. A Cloudflare challenge on the raw listing fetch is handed to the requester's FlareSolverr chain. `video.url` is the detail page, which yt-dlp resolves natively via the generic html5 extractor (the page embeds a signed `m5cdnst.cumlouder.com/*.mp4?secure=…` `<source>`, no Referer needed), so no `formats`/enrichment. The origin intermittently answers a first, uncached request with a Cloudflare 522 (a retry succeeds) — the listing fetch retries up to 3×, and `check.py`/yt-dlp may show a one-off `HTTP=-1`/522 on a cold detail page that is not a provider fault. No proxy needed. |
| `thepornbunny` | `mainstream-tube` | no | yes | KVS-style HTML scraper for thepornbunny.com; 24 items per site page; thumbnails at `https://www.thepornbunny.com/images/thumb/{id}.webp` from `data-original` attribute (no proxy needed); studio exposed as uploader; pornstar names in tags; `/proxy/thepornbunny/{slug}` fetches the video page, extracts `generate_mp4(enc_data, key, rnd, video_id)` args, decrypts `enc_data` via PBKDF2-HMAC-SHA512+AES-256-CBC to get an OK.ru session key, calls `api.ok.ru/fb.do?method=video.get&session_key=KEY&vids=RND` to get signed CDN URLs, and returns 302 to the best-quality okcdn.ru/vkuser.net MP4 URL (no special client headers needed); supports sort: new/popular/rated, 20 hardcoded categories via `categories` option, and tag:/category:/studio:/pornstar: query shortcuts. |
| `eporner` | `mainstream-tube` | no | yes | HTML scraper for eporner.com (5M+ videos); card selector `div.mb[data-id]` with inline duration/rating/views/uploader; thumbnails at `static-eu-cdn.eporner.com` (no proxy needed); pagination uses `/{N}/` suffix (page 1 = no suffix, page 2 = `/2/`); supports sort: new/popular/rated/best; 65 hardcoded categories, plus `cat:`/`category:`, `tag:`, `pornstar:`/`star:`, `uploader:`/`profile:` query-prefix routing to the matching archive, a bare-keyword category-name match, and a background-loaded pornstar name→URL map from `/pornstar-list/` (falls back to `/tag/{slug}` keyword search otherwise). `video.url` is the detail page — **not** yt-dlp-resolvable and not directly playable on its own: opening it bare serves a small restricted/preview clip. Real playback needs per-card enrichment (bounded `buffer_unordered(6)`): fetch the detail page for its 32-hex `hash`, derive the site's own hashed token (`calc_hash` — split into four 8-hex chunks, each parsed as u32 and base36-encoded, concatenated; reverse-engineered from the player JS), then call the site's own `GET /xhr/video/{alnum_id}?hash={calc}&device=generic&domain=www.eporner.com&fallback=false` JSON API for direct per-resolution mp4 URLs into `formats[]`. Separately from the hash dance, the resolved CDN mp4 URLs enforce their own Referer check: a request with no Referer or one pointing at eporner.com gets the real file, but any other non-empty Referer gets a 302 to a static `.../na.mp4` ("not available") decoy clip — the exact "this video is only available at eporner.com"-style short clip a client sees if its default (or app-injected) Referer doesn't match, so every format explicitly declares `http_headers: {Referer: "https://www.eporner.com/"}` rather than relying on the client's default. No proxy needed (formats are direct CDN URLs, just header-gated). **2026-09-21:** the `calc_hash`/hash-regex/`alnum_id_from_href`/`resolve_formats` logic moved to `src/util/eporner_resolve.rs` so `melonstube` (a meta-search aggregator that redirects out to eporner.com for ~34% of its own cards) can reuse the exact same resolution without a cross-provider `use`, which would break either provider's `HOT_TUB_PROVIDER=<id>` single-provider build (only the one selected provider module gets compiled; `src/util/*` always does). `eporner.rs` itself now just calls `crate::util::eporner_resolve::resolve_formats(...)`. **2026-10-22:** the signed CDN URLs expire exactly two hours after the `/xhr/video` call (the leading number in `/{expiry}_{ip}_{n}/`; the embedded IP is not enforced) and an expired link gets the same `na.mp4` decoy, so favourites, history and long-open lists played the one-minute clip. Formats now point at the redirect proxy `/proxy/eporner/{alnum_id}/{height}`, which re-resolves at play time and 302s to the matching (else best) quality; verified app clients get the best one as `video.url` per the redirect-proxy rule. melonstube's eporner destinations use the same `resolve_proxied_formats`. |
| `eporner` | `mainstream-tube` | no | yes | HTML scraper for eporner.com (5M+ videos); card selector `div.mb[data-id]` with inline duration/rating/views/uploader; thumbnails at `static-eu-cdn.eporner.com` (no proxy needed); pagination uses `/{N}/` suffix (page 1 = no suffix, page 2 = `/2/`); supports sort: new/popular/rated/best; 65 hardcoded categories, plus `cat:`/`category:`, `tag:`, `pornstar:`/`star:`, `uploader:`/`profile:` query-prefix routing to the matching archive, a bare-keyword category-name match, and a background-loaded pornstar name→URL map from `/pornstar-list/` (falls back to `/tag/{slug}` keyword search otherwise). `video.url` is the detail page — **not** yt-dlp-resolvable and not directly playable on its own: opening it bare serves a small restricted/preview clip. Real playback needs per-card enrichment (bounded `buffer_unordered(6)`): fetch the detail page for its 32-hex `hash`, derive the site's own hashed token (`calc_hash` — split into four 8-hex chunks, each parsed as u32 and base36-encoded, concatenated; reverse-engineered from the player JS), then call the site's own `GET /xhr/video/{alnum_id}?hash={calc}&device=generic&domain=www.eporner.com&fallback=false` JSON API for direct per-resolution mp4 URLs into `formats[]`. Separately from the hash dance, the resolved CDN mp4 URLs enforce their own Referer check: a request with no Referer or one pointing at eporner.com gets the real file, but any other non-empty Referer gets a 302 to a static `.../na.mp4` ("not available") decoy clip — the exact "this video is only available at eporner.com"-style short clip a client sees if its default (or app-injected) Referer doesn't match, so every format explicitly declares `http_headers: {Referer: "https://www.eporner.com/"}` rather than relying on the client's default. No proxy needed (formats are direct CDN URLs, just header-gated). **2026-09-21:** the `calc_hash`/hash-regex/`alnum_id_from_href`/`resolve_formats` logic moved to `src/util/eporner_resolve.rs` so `melonstube` (a meta-search aggregator that redirects out to eporner.com for ~34% of its own cards) can reuse the exact same resolution without a cross-provider `use`, which would break either provider's `HOT_TUB_PROVIDER=<id>` single-provider build (only the one selected provider module gets compiled; `src/util/*` always does). `eporner.rs` itself now just calls `crate::util::eporner_resolve::resolve_formats(...)`. **2026-10-22:** the signed CDN URLs expire exactly two hours after the `/xhr/video` call (the leading number in `/{expiry}_{ip}_{n}/`) and an expired link gets the same `na.mp4` decoy, so favourites, history and long-open lists played the one-minute clip. The links are also **IP-locked**: checked from foreign networks (check-host.net nodes) a fresh link answers 302 → `na.mp4`, while the resolving IP gets the file, so a redirect only works for a player behind the server's own public IP (a Jina fetch had misleadingly suggested otherwise). Formats therefore point at the streaming proxy `/proxy/eporner/{alnum_id}/{height}.mp4`: it resolves (cached 90 min per id/height, re-resolved when the CDN answers with a redirect), forwards `Range`, and returns a sized body so `206` responses keep `Content-Length` for AVPlayer. Not a redirect proxy, so app clients keep these in `formats`. All eporner playback bandwidth now flows through the server. melonstube's eporner destinations use the same `resolve_proxied_formats`. |
| `xnxx` | `mainstream-tube` | no | no | HTML scraper for xnxx.com (10M+ videos); unified card parser handles two formats: `div.thumb-block[data-eid]` (search) and `div.thumb-block.video[data-video='{"id":...}']` (hits); eid extracted from `/video-{eid}/{slug}` URL path; thumbnails at `thumb-cdn77.xnxx-cdn.com` and `thumbs-gcore.xnxx-cdn.com` (no proxy, no Referer needed); 0-indexed pagination (page 1 = `/hits`, page N = `/hits/{N-1}`); default feed is `/hits` (most-viewed — xnxx has no chronological listing); search via `/search/{slug}` (works for keywords and tags); supports `tag:`, `cat:`, `category:` query shortcuts; yt-dlp resolves `video.url` natively (XNXX extractor, returns 4-7 HLS formats); no proxy needed. |
| `xgroovy` | `mainstream-tube` | no | no | KVS (Kernel Video Sharing)-style HTML scraper for xgroovy.com; card selector `div.item[data-video-id]` with `data-views`/`data-rating` as clean numeric attributes directly on the card (no text-parsing needed, unlike xhamster); title/url from `a.popito[href] > strong.title`; thumbnails at `i.xgroovy.com` (no proxy, no Referer needed) from `img.thumb[data-jpg|src]`, preview clip from `img[data-preview]`; duration rendered as free text ("N min"/"N sec", not colon-separated) via a bespoke `parse_duration` helper; path-segment pagination (`/new/` = page 1, `/new/2/` = page 2, unlike xhamster's `?page=N` query string); feeds: `/new/` (default), categories via `/categories/{slug}/` (73 hardcoded categories as `categories` option), pornstars via `/pornstars/{slug}/`, channels via `/channels/{slug}/`; search via `/search/{dashed-query}/` (multi-word queries are lowercased and dash-joined); uploader kind inferred from URL path (`/pornstars/` vs `/channels/`) via `div.author-link > a`; supports `cat:`/`category:` query shortcuts plus static category name matching; yt-dlp resolves `video.url` via the generic html5-embed extractor (no dedicated xgroovy extractor, but resolves cleanly to a 1080p format); no proxy needed. |
| `xhamster` | `mainstream-tube` | no | no | HTML scraper for xhamster.com; card selector `div[data-video-type="video"]` with `data-video-id`; thumbnails via `img[data-role="thumb-preview-img"]` at `ic-vt-nss.xhcdn.com` (no proxy, no Referer needed); pagination via `?page=N` query param (browse feeds use infinite-scroll so only search reliably returns different content per page); feeds: `/newest` (default), `/most-viewed`, `/best`; categories via `/categories/{slug}`; channels via `/channels/{slug}`; 43 hardcoded categories as `categories` option; uploader type inferred from URL path (`/channels/` → channel, `/creators/` → creator, `/pornstars/` → pornstar); supports `cat:`/`category:` and `channel:` query shortcuts, plus static category name matching; preview mp4 clips from `data-previewvideo` attribute; yt-dlp resolves `video.url` natively (xHamster extractor, 28 formats); no proxy needed. |
@@ -116,7 +116,6 @@ These resolve a provider-specific input into a `302 Location`.
- `/proxy/allpornstream/{endpoint}*`
- `/proxy/tube8/{endpoint}*`
- `/proxy/supjav/{endpoint}*`
- `/proxy/eporner/{alnum_id}/{height}` (fresh signed mp4 per play; the CDN links expire after 2h)
- `/proxy/jable/{slug}*`
- `/proxy/thepornbunny/{slug}*`
- `/proxy/animeidhentai/{embedId}.mp4` (HEAD→200, GET→302 to the signed `r2.1hanime.com` CDN URL)
@@ -127,6 +126,7 @@ These resolve a provider-specific input into a `302 Location`.
These return binary media or images, sometimes rewriting manifests or forwarding cookies/referers.
- `/proxy/shooshtime-media/{endpoint}*`
- `/proxy/eporner/{alnum_id}/{height}.mp4` (streams the IP-locked signed mp4 with Range passthrough; link cached 90 min)
- `/proxy/noodlemagazine/{endpoint}*`
- `/proxy/noodlemagazine-thumb/{endpoint}*`
- `/proxy/hanime-cdn/{endpoint}*`