403 : Forbidden when export a diagram

[jacks808]

I got a 403 error when I am trying to export a diagram to png file

The first request curl was copied from chrome:

curl 'http://localhost:8888/export' \
  -H 'Connection: keep-alive' \
  -H 'Cache-Control: max-age=0' \
  -H 'DNT: 1' \
  -H 'Upgrade-Insecure-Requests: 1' \
  -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36' \
  -H 'Origin: http://localhost:8888' \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9' \
  -H 'Sec-Fetch-Site: same-origin' \
  -H 'Sec-Fetch-Mode: navigate' \
  -H 'Sec-Fetch-User: ?1' \
  -H 'Sec-Fetch-Dest: document' \
  -H 'Referer: http://localhost:8888/lab' \
  -H 'Accept-Language: zh-CN,zh;q=0.9,zh-TW;q=0.8,en;q=0.7' \
  -H 'Cookie: _xsrf=2|48ea477d|7a175aefda3c783b7b6deadb94499252|1589959578; username-localhost-8888="2|1:0|10:1590583362|23:username-localhost-8888|44:MjEyOGJhNmQyYWYxNDgxNTg3NjZiZGZiOGRmZDNjYjM=|eb7077058e78efb32d875dd7b0607e6e60c2e9a4f635c088ab94a97a85c1b3e9"' \
  --data 'format=png&filename=Drawing1.png&bg=%23ffffff&w=121&h=61&xml=%253Coutput%253E%253Cfontfamily%2520family%253D%2522Arial%252CHelvetica%2522%252F%253E%253Cfontsize%2520size%253D%252211%2522%252F%253E%253Cshadowcolor%2520color%253D%2522%2523000000%2522%252F%253E%253Cshadowalpha%2520alpha%253D%25220.25%2522%252F%253E%253Cshadowoffset%2520dx%253D%25222%2522%2520dy%253D%25223%2522%252F%253E%253Ctranslate%2520dx%253D%2522-754%2522%2520dy%253D%2522-1071%2522%252F%253E%253Cscale%2520scale%253D%25221%2522%252F%253E%253Csave%252F%253E%253Cscale%2520scale%253D%25221%2522%252F%253E%253Cfillcolor%2520color%253D%2522%2523ffffff%2522%252F%253E%253Cstrokecolor%2520color%253D%2522%2523000000%2522%252F%253E%253Croundrect%2520x%253D%2522754%2522%2520y%253D%25221071%2522%2520w%253D%2522120%2522%2520h%253D%252260%2522%2520dx%253D%25229%2522%2520dy%253D%25229%2522%252F%253E%253Cfillstroke%252F%253E%253Crestore%252F%253E%253C%252Foutput%253E' \
  --compressed

And response looks like:

[Fonna]

+1 I have the same error. Any Solution?

[diandian11]

the same issuse. any solution ?

[SamtreePython]

Same error. Can be exported as SVG under the File of Jupiter.