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jianmingyong wants to merge 2 commits into from
+103 −15
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fix(en.comix): fix fetch token #506

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42f403a
fix(en.comix): fix fetch token
jianmingyong May 11, 2026
1c98dfd
fix(en.comix): use a dynamic function search in case the function nam…
jianmingyong May 11, 2026
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2 changes: 1 addition & 1 deletion sources/en.comix/res/source.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"info": {
"id": "en.comix",
"name": "Comix",
"version": 10,
"version": 11,
"url": "https://comix.to",
"contentRating": 1,
"languages": ["en"]
Expand Down
10 changes: 6 additions & 4 deletions sources/en.comix/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,8 @@ impl Source for Comix {

let web_view = web::create_web_view()?;
let path = format!("/manga/{}/chapters", manga.key);
let token = web::get_token(&web_view, &path)?;
let js_function = web::probe_for_function(&web_view, &path)?;
let token = web::get_token(&web_view, &path, &js_function)?;

loop {
let url = format!(
Expand All @@ -217,7 +218,7 @@ impl Source for Comix {
);

let encoded_res = Request::get(&url)?.string()?;
let result = web::decode_response(&web_view, &url, &encoded_res)?;
let result = web::decode_response(&web_view, &url, &encoded_res, &js_function)?;
let res = serde_json::from_str::<ChapterDetailsResponse>(&result)?;

let items = res.result.items;
Expand Down Expand Up @@ -266,10 +267,11 @@ impl Source for Comix {
fn get_page_list(&self, _manga: Manga, chapter: Chapter) -> Result<Vec<Page>> {
let web_view = web::create_web_view()?;
let path = format!("/chapters/{}", chapter.key);
let token = web::get_token(&web_view, &path)?;
let js_function = web::probe_for_function(&web_view, &path)?;
let token = web::get_token(&web_view, &path, &js_function)?;
let url = format!("{API_URL}{path}?_={token}");
let encoded_res = Request::get(&url)?.string()?;
let result = web::decode_response(&web_view, &url, &encoded_res)?;
let result = web::decode_response(&web_view, &url, &encoded_res, &js_function)?;
let json: ChapterResponse = serde_json::from_str(&result)?;

let Some(result) = json.result else {
Expand Down
106 changes: 96 additions & 10 deletions sources/en.comix/src/web.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,17 +13,103 @@ pub fn create_web_view() -> Result<WebView> {
Ok(web_view)
}

pub fn probe_for_function(web_view: &WebView, path: &str) -> Result<String> {
let result = web_view.eval(&format!(
"(() => {{
try {{
const probe = '{path}';
const tokenRe = /^[A-Za-z0-9_-]{{40,200}}$/;
const shortRe = /^[A-Za-z]{{1,3}}$/;
const nameRe = /^vm[A-Za-z]_/;

function tryProbe(ns, topName) {{
var sig = '', inst = '';
var fnames;
try {{ fnames = Object.keys(ns); }} catch (e) {{ return null; }}
for (var j = 0; j < fnames.length; j++) {{
var fn = ns[fnames[j]];
if (typeof fn !== 'function') continue;
var ref = fnames[j];
if (!sig) {{
try {{
var out = fn(probe);
if (typeof out === 'string' && out !== probe && tokenRe.test(out)) {{
sig = ref;
}}
}} catch (e) {{}}
}}
if (!inst) {{
try {{
var got = false;
fn({{
interceptors: {{
request: {{ use: function() {{}} }},
response: {{ use: function() {{ got = true; }} }}
}},
defaults: {{ headers: {{ common: {{}} }}, transformRequest: [], transformResponse: [] }}
}});
if (got) inst = ref;
}} catch (e) {{}}
}}
if (sig && inst) return {{ topName: topName, sig: sig, inst: inst }};
}}
return null;
}}

var keys = Object.keys(window);

// Fast path: matches every observed deploy.
for (var i = 0; i < keys.length; i++) {{
var topName = keys[i];
if (!nameRe.test(topName)) continue;
var ns = window[topName];
if (!ns || typeof ns !== 'object' || ns === window) continue;
var hit = tryProbe(ns, topName);
if (hit) return JSON.stringify(hit);
}}

// Fallback: structural fingerprint, no name constraint.
for (var i = 0; i < keys.length; i++) {{
var topName = keys[i];
if (nameRe.test(topName)) continue; // already tried
var ns = window[topName];
if (!ns || typeof ns !== 'object' || ns === window) continue;
var fnames;
try {{ fnames = Object.keys(ns); }} catch (e) {{ continue; }}
if (fnames.length < 5) continue;
var shortAlpha = 0;
for (var s = 0; s < fnames.length; s++) {{
if (shortRe.test(fnames[s])) shortAlpha++;
}}
if (shortAlpha < 3) continue;
var hit = tryProbe(ns, topName);
if (hit) return JSON.stringify(hit);
}}

// This probably won't happen but just in case
return '';
}} catch(e) {{
return '';
}}
}})()"
))?;
if result.is_empty() {
bail!("Failed to fetch token")
}
Ok(result)
}

/// * `path`: API path, e.g. "/manga/some-hash/chapters"
pub fn get_token(web_view: &WebView, path: &str) -> Result<String> {
pub fn get_token(web_view: &WebView, path: &str, js_function: &str) -> Result<String> {
let token = web_view.eval(&format!(
"(() => {{
try {{
const vmKey = Object.keys(window).find(key => key.startsWith('vm'));
const vmObj = window[vmKey];
if (!vmObj || typeof vmObj.Qi !== 'function') {{
const vmFnName = JSON.parse('{js_function}');
const vmObj = window[vmFnName.topName];
if (!vmObj || typeof vmObj[vmFnName.sig] !== 'function') {{
return '';
}}
return vmObj.Qi('{path}');
return vmObj[vmFnName.sig]('{path}');
}} catch(e) {{
return '';
}}
Expand All @@ -35,13 +121,13 @@ pub fn get_token(web_view: &WebView, path: &str) -> Result<String> {
Ok(token)
}

pub fn decode_response(web_view: &WebView, url: &str, encoded_res: &str) -> Result<String> {
pub fn decode_response(web_view: &WebView, url: &str, encoded_res: &str, js_function: &str) -> Result<String> {
let result = web_view.eval(&format!(
"(() => {{
try {{
const vmKey = Object.keys(window).find(key => key.startsWith('vm'));
const vmObj = window[vmKey];
if (!vmObj || typeof vmObj.Qi !== 'function') {{
const vmFnName = JSON.parse('{js_function}');
const vmObj = window[vmFnName.topName];
if (!vmObj || typeof vmObj[vmFnName.sig] !== 'function') {{
return '';
}}
var captured = {{ req: null, res: null }};
Expand All @@ -64,7 +150,7 @@ pub fn decode_response(web_view: &WebView, url: &str, encoded_res: &str) -> Resu
transformResponse: [],
}},
}};
vmObj.v(fakeAxios);
vmObj[vmFnName.inst](fakeAxios);

var raw = JSON.parse('{encoded_res}');
var bodyOut;
Expand Down