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  1. Moodle
  2. MDL-58038

Email: Allowed domain name check fails for all domains except last one (PHP_EOL mismatch)

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major Major
    • 3.2.2
    • 3.2.1
    • Email, Libraries
    • MOODLE_32_STABLE
    • MOODLE_32_STABLE
    • MDL-58038-master-3
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      Prereqs:

      1. Set up mailcatcher and enter the server details(localhost:1025) into your smtp settings in Moodle.
      2. Open mailcatcher in browser (localhost:1080) so you can check outbound mail.
      3. Create a course and enrol one student.
      4. Set forum editing time for forum posts to 1 minute (Site administration > Security > Site policies)

      As an admin:

      1. Set your email address to 'something@example.com'.
      2. Edit your profile and make sure that 'Email display' is set to 'Allow everyone to see'
      3. Add the following to your allowed email domains (in outgoing mail settings), each on a line of it's own:
        example.com
        gmail.com
      4. Add a forum to the course and create the first discussion topic
      5. Now, log out.

      As the student:

      1. Log in and subscribe to the forum topic.
      2. Reply to the discussion topic.
      3. Log out.

      Now as the admin:

      1. Log in and reply to the student's post, making sure to check the box to skip the posting delay time.
      2. Run cron and check the mailcatcher output.
      3. Check the most recent email and select 'Source' in the bottom pane. This displays the mail headers.
      4. Confirm that the 'From' header reads: "Admin user (via xxx) <someone@example.com>", i.e. it is not using the no reply address.
      Show
      Prereqs: Set up mailcatcher and enter the server details(localhost:1025) into your smtp settings in Moodle. Open mailcatcher in browser (localhost:1080) so you can check outbound mail. Create a course and enrol one student. Set forum editing time for forum posts to 1 minute (Site administration > Security > Site policies) As an admin: Set your email address to 'something@example.com'. Edit your profile and make sure that 'Email display' is set to 'Allow everyone to see' Add the following to your allowed email domains (in outgoing mail settings), each on a line of it's own: example.com gmail.com Add a forum to the course and create the first discussion topic Now, log out. As the student : Log in and subscribe to the forum topic. Reply to the discussion topic. Log out. Now as the admin : Log in and reply to the student's post, making sure to check the box to skip the posting delay time. Run cron and check the mailcatcher output. Check the most recent email and select 'Source' in the bottom pane. This displays the mail headers. Confirm that the 'From' header reads: "Admin user (via xxx) <someone@example.com>", i.e. it is not using the no reply address.

      in Email -> Outbound config -> Allowed email domains, if one add a couple of allowed domains, say, '*.example.com', 'example.com', each on the new line, then the 'is_domain_in_allowed_list' function fails due to regex match error.

      Example of the $alloweddomains array, where elements are separated by line breaks. The check will fail for all domains except the last one.

      array(2) { [0]=> string(14) "*.example.com " [1]=> string(11) "example.com" }
      		 
      array(5) { [0]=> string(10) "gmail.com " [1]=> string(7) "kth.se " [2]=> string(6) "su.se " [3]=> string(11) "hotmail.com" }

      and this is what is saved in DB for CFG->allowedemaildomains:

      gmail.com\r\nkth.se\r\nsu.se\r\nhotmail.com

      When looking at the source, it is clear that exploding function did not delete all line breaks, so it is still there for all domains except last one. Because of this, is_domain_matching_pattern fires FALSE for '*.example.com ". The latter will be working though.

      This seems to be system-dependent, so here is my set up: Apache/2.4.23 (Unix) PHP/5.6.28

      On the screenshot attached, the string stands for CFG->allowedemaildomains, while array is the result of exploding that string by PHP_EOL.

        1. Screen Shot 2017-02-22 at 11.40.20.png
          Screen Shot 2017-02-22 at 11.40.20.png
          19 kB

            jaked Jake Dallimore
            pavel.m.sokolov Pavel Sokolov
            Adrian Greeve Adrian Greeve
            Andrew Lyons Andrew Lyons
            David Mudrák (@mudrd8mz) David Mudrák (@mudrd8mz)
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            3 Vote for this issue
            Watchers:
            9 Start watching this issue

              Created:
              Updated:
              Resolved:

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