allow only https:// avatars

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richey
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allow only https:// avatars

Post by richey »

Hello,

can anyone advise me where and how to add a few lines of code in order to only allow linking to remote avatars that are stored on secure websites ('https://' in the link)?

thanks,
r.
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stevemaury
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Re: allow only https:// avatars

Post by stevemaury »

May I ask what benefit this will have?
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Re: allow only https:// avatars

Post by richey »

Thanks for asking, it's to avoid mixed content.

kind regards,
r.
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John connor
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Re: allow only https:// avatars

Post by John connor »

Just to throw this out there in case someone comes across this post. If you use a reverse proxy like Cloudflare, having the option to upload remote avatars will expose your real IP address. Also, using your hosts E-mail using the MX record will show the real IP address as well. I use Google myself. But that can be limited unless you pay for more E-mails.
Last edited by John connor on Wed Feb 01, 2017 8:32 am, edited 1 time in total.
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Re: allow only https:// avatars

Post by richey »

John connor wrote:About mixed content. Do you not allow images to be linked using this code? [img]someimage.com/image.gif[/img]

If so that will create mixed content.
that's exactly what my question is about. I'd like to modify the image URL checking code in order to allow only https:// links here to avoid mixed content caused by embedded remote avatar images.

kind regards,
R
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Re: allow only https:// avatars

Post by John connor »

But did you read this part?
I use TLS on my site as well, but I'm not worried about mixed content because I know the forum text and logins are encrypted. I ran a network sniffer to verify this loading my site.
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Re: allow only https:// avatars

Post by richey »

I'm fully aware of that ;) , but I want that little green locker icon for all pages of my site!
Because to the uninformed user, a board that loads remote images over an insecure connection looks ...well, insecure. :roll: 8-)
I'm currently upgrading all my sites to deliver all content via SSL, only the ones I'm using phpBB forums don't get classified as secure sites....this is annoying. The board software directly supporting that (like by a new option: "[x] allow only SSL links for remote images") or indirectly through a little manual code adjustment in the image checking routine would be most appreciated.
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Re: allow only https:// avatars

Post by canonknipser »

If its only about avatars: Why not disable remote avatars and force your users to upload their avatars to your site? This has also the benefit that your pages don't have to wait for weak loading foreign pages.
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Re: allow only https:// avatars

Post by John connor »

I know this site uses some kind of proxy that hosts the remote images. They won't say what they use I guess, but you could try doing some Google searching on secure remote image proxy hosting. Or something like phpBB secure remote proxy hosting. I'm interested in this myself, but never looked into it since I'm happy with the board wide announcement I made regarding encryption on the site and how third party content isn't secured. That's the nature of a forum.

First result in Google. viewtopic.php?f=496&t=2271541

Looks really complicated and you more than likely need a VPS or dedicated server. Not a shared server.
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Re: allow only https:// avatars

Post by richey »

Thanks for the link, interesting!

The reason why uploading pictures to my site is not an option is the legal situation in Europe, where you can easily get sued by mafia-like groups of corporate lawyer sharks over copyright issues when storing and thus 'distributing' licensed images on your server ... and I an administrator can't check every image that is uploaded on a daily basis.

Anyway, back to topic :D - having some way of checking image links and requiring https:// links would be fantastic.
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Re: allow only https:// avatars

Post by John connor »

The only other thing I can think of is some kind of extension that mandates HTTPS for images, or somehow blacklist all image hosting sites except an image hosting site that uses HTTPS.
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Re: allow only https:// avatars

Post by richey »

Yeah, that's exactly what I'm looking for.

thx for your response!
r.
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Re: allow only https:// avatars

Post by Sepp71 »

Has anyone found a solution for this?
Same problem here after switching to https.
Additionally I used to allow external links in signatures ("Ticker") which cause the same problem now, as some of them point to images on http-only-servers.

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Re: allow only https:// avatars

Post by cyrilca »

Your question has already been split into a new topic there ;)
viewtopic.php?f=466&t=2406991
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Re: allow only https:// avatars

Post by richey »

thanks! :)
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