1 files changed, 158 insertions, 0 deletions
diff --git a/gallery_dl/extractor/audiochan.py b/gallery_dl/extractor/audiochan.py
new file mode 100644
index 0000000..b708ce7
--- /dev/null
+++ b/gallery_dl/extractor/audiochan.py
@@ -0,0 +1,158 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2025 Mike Fährmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+"""Extractors for https://audiochan.com/"""
+
+from .common import Extractor, Message
+from .. import text
+
+BASE_PATTERN = r"(?:https?://)?(?:www\.)?audiochan\.com"
+
+
+class AudiochanExtractor(Extractor):
+    """Base class for audiochan extractors"""
+    category = "audiochan"
+    root = "https://audiochan.com"
+    root_api = "https://api.audiochan.com"
+    directory_fmt = ("{category}", "{user[display_name]}")
+    filename_fmt = "{title} ({slug}).{extension}"
+    archive_fmt = "{audioFile[id]}"
+
+    def _init(self):
+        self.user = False
+        self.headers_api = {
+            "content-type"   : "application/json",
+            "Origin"         : self.root,
+            "Sec-Fetch-Dest" : "empty",
+            "Sec-Fetch-Mode" : "cors",
+            "Sec-Fetch-Site" : "same-site",
+        }
+        self.headers_dl = {
+            "Accept": "audio/webm,audio/ogg,audio/wav,audio/*;q=0.9,"
+                      "application/ogg;q=0.7,video/*;q=0.6,*/*;q=0.5",
+            "Sec-Fetch-Dest" : "audio",
+            "Sec-Fetch-Mode" : "no-cors",
+            "Sec-Fetch-Site" : "same-site",
+            "Accept-Encoding": "identity",
+        }
+
+    def items(self):
+        for post in self.posts():
+            file = post["audioFile"]
+
+            post["_http_headers"] = self.headers_dl
+            post["date"] = self.parse_datetime_iso(file["created_at"])
+            post["date_updated"] = self.parse_datetime_iso(file["updated_at"])
+            post["description"] = self._extract_description(
+                post["description"])
+
+            tags = []
+            for tag in post["tags"]:
+                if "tag" in tag:
+                    tag = tag["tag"]
+                tags.append(f"{tag['category']}:{tag['name']}")
+            post["tags"] = tags
+
+            if self.user:
+                post["user"] = post["credits"][0]["user"]
+
+            if not (url := file["url"]):
+                post["_http_segmented"] = 600000
+                url = file["stream_url"]
+
+            yield Message.Directory, "", post
+            text.nameext_from_name(file["filename"], post)
+            yield Message.Url, url, post
+
+    def request_api(self, endpoint, params=None):
+        url = self.root_api + endpoint
+        return self.request_json(url, params=params, headers=self.headers_api)
+
+    def _pagination(self, endpoint, params, key=None):
+        params["page"] = 1
+        params["limit"] = "12"
+
+        while True:
+            data = self.request_api(endpoint, params)
+            if key is not None:
+                data = data[key]
+
+            yield from data["data"]
+
+            if not data["has_more"]:
+                break
+            params["page"] += 1
+
+    def _extract_description(self, description, texts=None):
+        if texts is None:
+            texts = []
+
+        if "text" in description:
+            texts.append(description["text"])
+        elif "content" in description:
+            for desc in description["content"]:
+                self._extract_description(desc, texts)
+
+        return texts
+
+
+class AudiochanAudioExtractor(AudiochanExtractor):
+    subcategory = "audio"
+    pattern = rf"{BASE_PATTERN}/a/([^/?#]+)"
+    example = "https://audiochan.com/a/SLUG"
+
+    def posts(self):
+        self.user = True
+        audio = self.request_api("/audios/slug/" + self.groups[0])
+        return (audio,)
+
+
+class AudiochanUserExtractor(AudiochanExtractor):
+    subcategory = "user"
+    pattern = rf"{BASE_PATTERN}/u/([^/?#]+)"
+    example = "https://audiochan.com/u/USER"
+
+    def posts(self):
+        endpoint = "/users/" + self.groups[0]
+        self.kwdict["user"] = self.request_api(endpoint)["data"]
+
+        params = {
+            "sfw_only": "false",
+            "sort"    : "new",
+        }
+        return self._pagination(endpoint + "/audios", params)
+
+
+class AudiochanCollectionExtractor(AudiochanExtractor):
+    subcategory = "collection"
+    pattern = rf"{BASE_PATTERN}/c/([^/?#]+)"
+    example = "https://audiochan.com/c/SLUG"
+
+    def posts(self):
+        slug = self.groups[0]
+        endpoint = "/collections/" + slug
+        self.kwdict["collection"] = col = self.request_api(endpoint)
+        col.pop("audios", None)
+        col.pop("items", None)
+
+        endpoint = f"/collections/slug/{slug}/items"
+        return self._pagination(endpoint, {})
+
+
+class AudiochanSearchExtractor(AudiochanExtractor):
+    subcategory = "search"
+    pattern = rf"{BASE_PATTERN}/search/?\?([^#]+)"
+    example = "https://audiochan.com/search?q=QUERY"
+
+    def posts(self):
+        self.user = True
+        endpoint = "/search"
+        params = text.parse_query(self.groups[0])
+        params["sfw_only"] = "false"
+        self.kwdict["search_tags"] = params.get("q")
+        return self._pagination(endpoint, params, "audios")