500 error

[knownasilya]

The following url returns a 500 error, with no useful details.

https://url-to-pdf-api.herokuapp.com/api/render?url=https://drivetexas.org/#/7/32.340/-99.500?future%3Dfalse%26print%3Dtrue

{
  "status": 500,
  "statusText": "Internal Server Error",
  "messages": [
    "Internal Server Error"
  ]
}

[kimmobrunfeldt]

The error responding should definitely be improved. This is what the logs are showing:

Oct 06 06:52:59 url-to-pdf-api app/web.1: 2017-10-06T13:52:58.874Z - info: [pdf-core.js] Rendering with opts: { 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   "scrollPage": false, 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   "emulateScreenMedia": true, 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   "viewport": { 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     "width": 1600, 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     "height": 1200 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   }, 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   "goto": { 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     "waitUntil": "networkidle", 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     "networkIdleTimeout": 2000 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   }, 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   "pdf": { 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     "format": "A4", 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     "printBackground": true, 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     "margin": {} 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   }, 
Oct 06 06:52:59 url-to-pdf-api app/web.1:   "url": "https://drivetexas.org/" 
Oct 06 06:52:59 url-to-pdf-api app/web.1: } 
Oct 06 06:52:59 url-to-pdf-api app/web.1: 2017-10-06T13:52:59.335Z - info: [pdf-core.js] Set browser viewport.. 
Oct 06 06:52:59 url-to-pdf-api app/web.1: 2017-10-06T13:52:59.339Z - info: [pdf-core.js] Emulate @media screen.. 
Oct 06 06:52:59 url-to-pdf-api app/web.1: 2017-10-06T13:52:59.340Z - info: [pdf-core.js] Goto url https://drivetexas.org/ .. 
2017-10-06T13:52:59.458Z - error: [pdf-core.js] Error when rendering page: Error: SSL Certificate error: ERR_CERT_AUTHORITY_INVALID 
Oct 06 06:52:59 url-to-pdf-api app/web.1: 2017-10-06T13:52:59.458Z - error: [pdf-core.js] Error: SSL Certificate error: ERR_CERT_AUTHORITY_INVALID 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     at NavigatorWatcher.waitForNavigation (/app/node_modules/puppeteer/lib/NavigatorWatcher.js:73:20) 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     at <anonymous> 
Oct 06 06:52:59 url-to-pdf-api app/web.1:     at process._tickCallback (internal/process/next_tick.js:188:7) 
Oct 06 06:52:59 url-to-pdf-api app/web.1: 2017-10-06T13:52:59.458Z - info: [pdf-core.js] Closing browser.. 

[knownasilya]

Sounds like a potentially outdated version of openssl is being used? cc @calvinmetcalf

[kimmobrunfeldt]

I can’t check right know but Puppeteer repository issues may have additional info about this

[knownasilya]

Maybe ignoreHTTPSErrors needs to be set for puppeter.

[kimmobrunfeldt]

That sounds like a better default setting from usage perspective. I wonder if it has any security issues we should take into account.

[knownasilya]

I'd make it a query param flag that can toggle ignoring SSL, and add a better error message if not enabled.

[kimmobrunfeldt]

ignoreHttpsErrors option now in master.