Update zsc.js

add debug string when not got meaningful response or captcha.
nico-zck · Aug 27, 2020 · 74079c5 · 74079c5
1 parent e2b26a1
commit 74079c5
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/chrome/content/zsc.js b/chrome/content/zsc.js
@@ -183,11 +183,16 @@ zsc.retrieveCitationData = function(item, cb) {
  xhr.open('GET', url, true);
  xhr.onreadystatechange = function() {
  if (this.readyState == 4 && this.status == 200) {
- if (this.responseText.indexOf('www.google.com/recaptcha/api.js') == -1) {
+ // // debug on response text
+ // if (isDebug()) Zotero.debug(this.responseText);
+
+ // check if response includes meaningful content
+ if (this.responseText.indexOf('class="gs_r gs_or gs_scl"') != -1) {
  if (isDebug()) Zotero.debug('[scholar-citations] '
  + 'recieved non-captcha scholar results');
  cb(item, zsc.getCiteCount(this.responseText));
- } else {
+ // check if response includes captcha
+ } else if (this.responseText.indexOf('www.google.com/recaptcha/api.js') != -1){
  if (isDebug()) Zotero.debug('[scholar-citations] '
  + 'received a captcha instead of a scholar result');
  alert(zsc._captchaString);
@@ -200,6 +205,11 @@ zsc.retrieveCitationData = function(item, cb) {
  } else {
  window.gBrowser.loadOneTab(url, {inBackground: false});
  }
+ } else {
+ // debug response text in other cases
+ if (isDebug()) Zotero.debug('[scholar-citations] '
+ + 'neither got meaningful text or captcha, please check the following response text');
+ if (isDebug()) Zotero.debug(this.responseText);
  }
  } else if (this.readyState == 4 && this.status == 429) {
  if (this.responseText.indexOf('www.google.com/recaptcha/api.js') == -1) {