From 8b22e3abf9648ce251f00bc8cbd9e14d2d9ee229 Mon Sep 17 00:00:00 2001
From: yihong <zouzou0208@gmail.com>
Date: Thu, 18 Jun 2020 21:21:12 +0800
Subject: [PATCH 1/2] fix: leetcode-cn can not use GitHub log in bug

---
 lib/plugins/leetcode.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/plugins/leetcode.js b/lib/plugins/leetcode.js
index 8855f689..7790bb97 100644
--- a/lib/plugins/leetcode.js
+++ b/lib/plugins/leetcode.js
@@ -540,10 +540,16 @@ plugin.login = function(user, cb) {
 };
 
 function parseCookie(cookie, body, cb) {
+  const isCN = config.app === 'leetcode.cn';
   const SessionPattern = /LEETCODE_SESSION=(.+?)(;|$)/;
-  const csrfPattern = /csrftoken=(.+?)(;|$)/;
+  let csrfPattern;
+  if (isCN) {
+    csrfPattern = /name="csrfmiddlewaretoken" value="(.*?)"/;
+  } else {
+    csrfPattern = /csrftoken=(.+?)(;|$)/;
+  }
+  const reCsrfResult = csrfPattern.exec(isCN? body: cookie);
   const reSessionResult = SessionPattern.exec(cookie);
-  const reCsrfResult = csrfPattern.exec(cookie);
   if (reSessionResult === null || reCsrfResult === null) {
     return cb('invalid cookie?');
   }

From c0f9524b6939f81d9b8ec367221a83f8cc5444b8 Mon Sep 17 00:00:00 2001
From: yihong0618 <zouzou0208@gmail.com>
Date: Thu, 20 Aug 2020 18:50:16 +0800
Subject: [PATCH 2/2] fix: can not star bug

---
 lib/plugins/leetcode.js | 34 ++++++++++++++--------------------
 1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/lib/plugins/leetcode.js b/lib/plugins/leetcode.js
index 7790bb97..c403582d 100644
--- a/lib/plugins/leetcode.js
+++ b/lib/plugins/leetcode.js
@@ -360,31 +360,25 @@ plugin.getSubmission = function(submission, cb) {
 
 plugin.starProblem = function(problem, starred, cb) {
   log.debug('running leetcode.starProblem');
-  const opts = plugin.makeOpts();
+  const user = session.getUser();
+  const operationName = starred ? 'addQuestionToFavorite' : 'removeQuestionFromFavorite';
+  const opts = plugin.makeOpts(config.sys.urls.graphql);
   opts.headers.Origin = config.sys.urls.base;
   opts.headers.Referer = problem.link;
 
-  const user = session.getUser();
-  if (starred) {
-    opts.url = config.sys.urls.favorites;
-    opts.method = 'POST';
-    opts.json = true;
-    opts.body = {
-      favorite_id_hash: user.hash,
-      question_id:      problem.id
-    };
-  } else {
-    opts.url = config.sys.urls.favorite_delete
-        .replace('$hash', user.hash)
-        .replace('$id', problem.id);
-    opts.method = 'DELETE';
-  }
+  opts.json = true;
+  opts.body = {
+    query:         `mutation ${operationName}($favoriteIdHash: String!, $questionId: String!) {\n  ${operationName}(favoriteIdHash: $favoriteIdHash, questionId: $questionId) {\n    ok\n    error\n    favoriteIdHash\n    questionId\n    __typename\n  }\n}\n`,
+    variables:     {favoriteIdHash: user.hash, questionId: '' + problem.id},
+    operationName: operationName
+  };
 
-  request(opts, function(e, resp, body) {
-    e = plugin.checkError(e, resp, 204);
+  const spin = h.spin(starred? 'star': 'unstar' + 'problem');
+  request.post(opts, function(e, resp, body) {
+    spin.stop();
+    e = plugin.checkError(e, resp, 200);
     if (e) return cb(e);
-
-    cb(null, starred);
+    return cb(null, starred);
   });
 };