[wp-trac] [WordPress Trac] #31645: Press This: Reject relative URLs when scraping source html

[WordPress Trac]

#31645: Press This: Reject relative URLs when scraping source html
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 Reporter:  kraftbj       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.2
Component:  Press This    |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by azaozz):

 How about 31645.8.patch. It ensures we have an absolute or protocol
 relative URL before passing it through `esc_url_raw()`. It is dependent on
 having a proper `u` set, i.e. the page the user opened PT on or the URL
 they pasted. Also changed the (weird looking) string offset `$str{0}`,
 `$str{1}` checks with a regex, so it is easier to read :)

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Ticket URL: <https://core.trac.wordpress.org/ticket/31645#comment:14>
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