On Thu, Sep 08, 2011 at 10:45:33AM +0200, Florian Pritz wrote:
> Signed-off-by: Florian Pritz <[email protected]>
> ---
>  web/lib/pkgfuncs.inc.php |   43 +++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 43 insertions(+), 0 deletions(-)
> 

As I already stated in another thread, I'm not really sure if we want
this and if this is the Arch way of informing users.

How will we handle mass-deletes in future if users expect mail
notifications on package removal (we currently run a simple DELETE query
on the database)? Keep in mind that this might be confusing if a package
is moved to the binary repositories, also. Trusted Users and/or
developers should at least drop one more comment before moving a package
in this case.

+/-0 from me. Any other opinions (I'll review the patch anyway)?

> diff --git a/web/lib/pkgfuncs.inc.php b/web/lib/pkgfuncs.inc.php
> index 3e89fa3..b6d4d08 100644
> --- a/web/lib/pkgfuncs.inc.php
> +++ b/web/lib/pkgfuncs.inc.php
> @@ -710,6 +710,49 @@ function pkg_delete ($atype, $ids, $mergepkgid, 
> $dbh=NULL) {
>       }
>  
>       if ($mergepkgid) {
> +             $mergepkgname = pkgname_from_id($mergepkgid, $dbh);
> +     }
> +
> +     # Send email notifications
> +     foreach ($ids as $pkgid) {
> +             $q = 'SELECT CommentNotify.*, Users.Email ';
> +             $q.= 'FROM CommentNotify, Users ';
> +             $q.= 'WHERE Users.ID = CommentNotify.UserID ';
> +             $q.= 'AND CommentNotify.UserID != ' . 
> uid_from_sid($_COOKIE['AURSID']) . ' ';
> +             $q.= 'AND CommentNotify.PkgID = ' . intval($pkgid);

No real need to convert to an int here. We already sanitized the "$ids"
array before.

> +             $result = db_query($q, $dbh);
> +             $bcc = array();
> +
> +             if (mysql_num_rows($result)) {

Uh, we should really get rid of all mysql_*() invocations and write
wrappers for fetching results as soon as possible...

> +                     while ($row = mysql_fetch_assoc($result)) {
> +                             array_push($bcc, $row['Email']);
> +                     }
> +
> +                     $q = 'SELECT Packages.* ';
> +                     $q.= 'FROM Packages ';
> +                     $q.= 'WHERE Packages.ID = ' . intval($pkgid);
> +                     $result = db_query($q, $dbh);
> +                     $row = mysql_fetch_assoc($result);

Any reason not to use pkgname_from_id() here? :)

> +
> +                     # TODO: native language emails for users, based on 
> their prefs
> +                     # Simply making these strings translatable won't work, 
> users would be
> +                     # getting emails in the language that the user who 
> posted the comment was in
> +                     $body = "";
> +                     if ($mergepkgid) {
> +                             $body .= username_from_sid($_COOKIE['AURSID']) 
> . " merged \"".$row["Name"]."\" into \"$mergepkgname\".\n\n";
> +                             $body .= "\n\n---\nYou will no longer receive 
> notifications about this package, please go to 
> https://aur.archlinux.org/packages.php?ID=".$mergepkgid."; and click the 
> Notify button if you wish to recieve them again.";
> +                     } else {
> +                             $body .= username_from_sid($_COOKIE['AURSID']) 
> . " deleted \"".$row["Name"]."\".\n\n";
> +                             $body .= "\n\n---\nYou will no longer receive 
> notifications about this package.";
> +                     }
> +                     $body = wordwrap($body, 70);
> +                     $bcc = implode(', ', $bcc);
> +                     $headers = "Bcc: $bcc\nReply-to: 
> [email protected]\nFrom: [email protected]\nX-Mailer: AUR\n";
> +                     @mail(' ', "AUR Package deleted: " . $row['Name'], 
> $body, $headers);

So this means we will send a whole bunch of notifications if, say,
forty-two packages are deleted at once? I do not really insist on
bundling mails since we will not mass-delete packages very often.

We should also ensure that none of the fields included in the headers
might contain a newline in any case. I don't want sigurd to become a
spam catapult. Having a look at valid_email(), which is used to validate
mail addresses during the register process, it doesn't seem like there's
any possibility to inject a line break here, though.

> +             }
> +     }
> +
> +     if ($mergepkgid) {
>               /* Merge comments */
>               $q = "UPDATE PackageComments ";
>               $q.= "SET PackageID = " . intval($mergepkgid) . " ";
> -- 
> 1.7.6.1

Thanks!

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