openssl_pkcs7_sign(): error opening input file vfs://root/temp/

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Helton Marinho

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Feb 19, 2018, 5:40:02 PM2/19/18

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Im trying to sign a PDF with PHP in Google App Engine standard environment.

When I try to run openssl_pkcs7_sign, the Stackdriver warns that the file could not be found. I have tried using Google Cloud Storage too, but it does not work.

$tempdoc = tempnam(sys_get_temp_dir(), 'tcpdf_43fa8d07af13688a76d62542bae96475_doc_b900c3e9fa55248421a8f2be33b23a29_');

$f = fopen($tempdoc, 'wb');

fwrite($f, 'hi');

fclose($f);

openssl_pkcs7_sign($tempdoc, '-----BEGIN CERTIFICATE-----……', array('-----BEGIN PRIVATE KEY-----….', ''), array(), PKCS7_BINARY | PKCS7_DETACHED);

PHP Warning: openssl_pkcs7_sign(): error opening input file vfs://root/temp/tcpdf_43fa8d07af13688a76d62542bae96475_doc_b900c3e9fa55248421a8f2be33b23a29_5a77beba622c81.38516089!

Any idea?

Kenworth (Google Cloud Platform)

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Feb 19, 2018, 9:33:02 PM2/19/18

to Google App Engine

Hi Helton, a thread like this is off-topic for Google Groups. As it may potentially be a defect on the platform and most likely lead to a specific situation which may require some exchange of project information to reproduce the behavior you described, I highly encourage you to submit a defect report as described in this article so that proper attention and weight will be given to it. We monitor that issue tracker closely.