[greyham]

The file name needs to be unique in the directory; so another way to avoid the clash is to use the unique ID as a directory name, and put each file (or set of files, since you can stamp more than one at a time) in a different directory.

Cheers,

Graham

[greyham]

I’ve asked the Simple Facebook Connect author about this; check out his reply in this thread on the WordPress support forums:

http://wordpress.org/support/topic/plugin-simple-facebook-connect-open-graph-tag-generation-method-causing-plugin-conflicts

Any comment?

Thanks,

Graham

[greyham]

Thanks; 4.0.5 fixed this issue for me.

Cheers,

Graham

[greyham]

The problem appears to be a conflict with the Simple Facebook Connect plugin, which has a habit of reading pages to generate OpenGraph tags. This was causing the file to be stamped twice and the second time was creating an error. When I disable the SFC plugin, I see the $pdf_stamper_clickbank_success_message. I’ve left a message for the SFC author to see if there is a way to disable this feature; it’s caused me some grief with a few other plugins as well.

With that fixed, is it possible to have the [pdf_stamper_clickbank_purchase] shortcode generate the links to the stamped files so users can download directly from the Thank You page? When I put {product_link} in $pdf_stamper_clickbank_success_message it doesn’t get replaced with the product link.

Cheers,

Graham

[greyham]

I’m using version 4.0.5. The error message is:

Secret key or source file information is not present in the request.

[greyham]

Well this is weird; despite the error message, it does seem to send the email to the customer with the stamped link correctly. The Thank You page with the shortcode has the problem.

[greyham]

OK, I’ve just tested again with CURL enabled. I still get the error message “Secret key or source file information is not present in the request.” Help please!

Thanks,

Graham

[greyham]

Update: HostGator support tell me CURL needed to be enabled. They’ve done that now. I’ll test again and let you know how I go. Thanks, Graham

[greyham]

Ok, let’s go back to basics here. Secret keys are used to secure and verify transactions across insecure channels. Both the sender and the receiver need to know the secret key. The sender uses it to encrypt stuff, and the receiver uses it to verify that the sender is trusted. In PDF Stamper, the receiver is told the key setting in the settings menu. Where is the sender (ClickBank in this case I presume) told the secret key? Or does the PDF Stamper Clickbank script read the key from the PDF Stamper settings as well?

I’ll ask my hosting provider about CURL requests. Manual stamping works fine; does it rely on CURL requests being sent to the same server? I’m using HostGator, a pretty popular hosting service. Your Minimum Requirements Checker plugin reports two ticks.

Thanks,

Graham

[greyham]

Thanks for the reply Peter. I’m already aware of the secret key setting in the PDF Stamper Settings menu; my question is where _else_ do I need to specify the secret key? Is it passed from clickbank.com to the Thank You page? If so, I can’t find the place on clickbank.com to set it.

Thanks,

Graham

[greyham]

Thanks for the reply Peter, but I’m confused; where else do I use or specify the secret key? I can’t see any mention of the secret key at http://www.tipsandtricks-hq.com/wp-pdf-stamper/wp-pdf-stamper-and-clickbank-integration-144

Confused,

Graham

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