A2C工单修复

2026-07-03 20:12:20 +08:00
parent c3223f026e
commit 0f3eb53afe
21 changed files with 1561 additions and 172 deletions
@@ -0,0 +1,182 @@
+/**
+ * Turnstile sitekey 提前捕获：在 goto 前挂载监听，避免 60s 空等后 iframe 已销毁
+ */
+const {
+    extractSitekeyFromChallengeUrl,
+    extractSitekeyFromHtml,
+    extractTurnstileSitekey,
+    waitForTurnstileSurface,
+} = require('./turnstile-handler');
+
+/**
+ * @typedef {Object} SitekeyCaptureHandle
+ * @property {() => string|null} get
+ * @property {(page: import('puppeteer').Page, antiBot?: object) => Promise<string|null>} scanNow
+ * @property {(page: import('puppeteer').Page, antiBot?: object, waitMs?: number) => Promise<string|null>} resolveForSolver
+ * @property {() => void} detach
+ */
+
+/**
+ * 尝试从 URL 字符串解析并缓存 sitekey
+ * @param {string|null|undefined} url
+ * @param {{ sitekey: string|null, log: (msg: string) => void }} state
+ * @returns {string|null}
+ */
+function tryStoreSitekeyFromUrl(url, state) {
+    const key = extractSitekeyFromChallengeUrl(url || '');
+    if (key && !state.sitekey) {
+        state.sitekey = key;
+        state.log(`[CF] sitekey 捕获 (${key.slice(0, 12)}...) source=${url.slice(0, 80)}`);
+    }
+    return state.sitekey;
+}
+
+/**
+ * 在 page.goto 之前挂载 frame/response/target 监听
+ * @param {import('puppeteer').Page} page
+ * @param {import('puppeteer').Browser} [browser]
+ * @returns {SitekeyCaptureHandle}
+ */
+function attachSitekeyCapture(page, browser) {
+    const state = {
+        sitekey: null,
+        attached: false,
+        cleanups: [],
+        log: (msg) => console.log(msg),
+    };
+
+    if (page.__sitekeyCaptureHandle) {
+        return page.__sitekeyCaptureHandle;
+    }
+
+    const onFrameNavigated = (frame) => {
+        try {
+            tryStoreSitekeyFromUrl(frame.url(), state);
+        } catch (_) {
+            /* ignore */
+        }
+    };
+    page.on('framenavigated', onFrameNavigated);
+    state.cleanups.push(() => page.off('framenavigated', onFrameNavigated));
+
+    const onResponse = (response) => {
+        try {
+            tryStoreSitekeyFromUrl(response.url(), state);
+        } catch (_) {
+            /* ignore */
+        }
+    };
+    page.on('response', onResponse);
+    state.cleanups.push(() => page.off('response', onResponse));
+
+    if (browser && typeof browser.on === 'function') {
+        const onTargetCreated = (target) => {
+            try {
+                tryStoreSitekeyFromUrl(target.url(), state);
+            } catch (_) {
+                /* ignore */
+            }
+        };
+        browser.on('targetcreated', onTargetCreated);
+        state.cleanups.push(() => browser.off('targetcreated', onTargetCreated));
+    }
+
+    state.attached = true;
+
+    /** @type {SitekeyCaptureHandle} */
+    const handle = {
+        get: () => state.sitekey,
+        scanNow: async (scanPage, antiBot) => {
+            if (state.sitekey) {
+                return state.sitekey;
+            }
+
+            const frames = scanPage.frames();
+            for (const frame of frames) {
+                tryStoreSitekeyFromUrl(frame.url(), state);
+                if (state.sitekey) {
+                    return state.sitekey;
+                }
+            }
+
+            const html = await scanPage.content().catch(() => '');
+            const fromHtml = extractSitekeyFromHtml(html);
+            if (fromHtml) {
+                state.sitekey = fromHtml;
+                state.log(`[CF] sitekey 从 HTML 提取 (${fromHtml.slice(0, 12)}...)`);
+                return fromHtml;
+            }
+
+            const browserRef = scanPage.browser();
+            if (browserRef) {
+                for (const target of browserRef.targets()) {
+                    tryStoreSitekeyFromUrl(target.url(), state);
+                    if (state.sitekey) {
+                        return state.sitekey;
+                    }
+                }
+            }
+
+            const configured = String(antiBot?.turnstileSitekey || '').trim();
+            if (configured && antiBot?.cfChallengeMode !== 'managed' && !antiBot?.cfCloudflareSolver) {
+                state.sitekey = configured;
+                state.log(`[CF] 使用 antiBot.turnstileSitekey (${configured.slice(0, 12)}...)`);
+                return configured;
+            }
+
+            return null;
+        },
+        resolveForSolver: async (scanPage, antiBot, waitMs = 25000) => {
+            let sitekey = await handle.scanNow(scanPage, antiBot);
+            if (sitekey) {
+                return sitekey;
+            }
+
+            sitekey = await waitForTurnstileSurface(scanPage, waitMs);
+            if (sitekey) {
+                state.sitekey = sitekey;
+                return sitekey;
+            }
+
+            sitekey = await extractTurnstileSitekey(scanPage);
+            if (sitekey) {
+                state.sitekey = sitekey;
+                return sitekey;
+            }
+
+            return handle.scanNow(scanPage, antiBot);
+        },
+        detach: () => {
+            for (const fn of state.cleanups) {
+                try {
+                    fn();
+                } catch (_) {
+                    /* ignore */
+                }
+            }
+            state.cleanups = [];
+            state.attached = false;
+            if (page.__sitekeyCaptureHandle === handle) {
+                delete page.__sitekeyCaptureHandle;
+            }
+        },
+    };
+
+    page.__sitekeyCaptureHandle = handle;
+    return handle;
+}
+
+/**
+ * 读取 page 上已挂载的 capture（无则 null）
+ * @param {import('puppeteer').Page} page
+ * @returns {SitekeyCaptureHandle|null}
+ */
+function getSitekeyCapture(page) {
+    return page?.__sitekeyCaptureHandle || null;
+}
+
+module.exports = {
+    attachSitekeyCapture,
+    getSitekeyCapture,
+    tryStoreSitekeyFromUrl,
+};