ipify-api
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rdegges
Random Heroku HTML application error response
Occasionally (reasonably often) the ipify API will return some application error HTML generated by Heroku instead of an IP.
For example:
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta charset="utf-8"> <title>Application Error</title> <style media="screen"> html,body,iframe { margin: 0; padding: 0; } html,body { height: 100%; overflow: hidden; } iframe { width: 100%; height: 100%; border: 0; } </style> </head> <body> <iframe src="//www.herokucdn.com/error-pages/application-error.html"></iframe> </body> </html><!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta charset="utf-8"> <title>Application Error</title> <style media="screen"> html,body,iframe { margin: 0; padding: 0; } html,body { height: 100%; overflow: hidden; } iframe { width: 100%; height: 100%; border: 0; } </style> </head> <body> <iframe src="//www.herokucdn.com/error-pages/application-error.html"></iframe> </body> </html><!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta charset="utf-8"> <title>Application Error</title> <style media="screen"> html,body,iframe { margin: 0; padding: 0; } html,body { height: 100%; overflow: hidden; } iframe { width: 100%; height: 100%; border: 0; } </style> </head> <body> <iframe src="//www.herokucdn.com/error-pages/application-error.html"></iframe> </body> </html><!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta charset="utf-8"> <title>Application Error</title> <style media="screen"> html,body,iframe { margin: 0; padding: 0; } html,body { height: 100%; overflow: hidden; } iframe { width: 100%; height: 100%; border: 0; } </style> </head> <body> <iframe src="//www.herokucdn.com/error-pages/application-error.html"></iframe> </body> </html>
When running in a shell script this is annoying to handle correctly -- on application errors, I'd rather see a blank response than this.
We have also seen this issue regularly.
Request: api.ipify.org/?format=raw
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta charset="utf-8">
<title>Application Error</title>
<style media="screen">
html,body,iframe {
margin: 0;
padding: 0;
}
html,body {
height: 100%;
overflow: hidden;
}
iframe {
width: 100%;
height: 100%;
border: 0;
}
</style>
</head>
<body>
<iframe src="//www.herokucdn.com/error-pages/application-error.html"></iframe>
</body>
