[PATCH] emacs: Add a defcustom that specifies regexp for blocked remote images.

[Tomi Ollila]

On Sun, Feb 01 2015, Tomi Ollila <tomi.ollila at iki.fi> wrote:

> On Sun, Feb 01 2015, David Edmondson <dme at dme.org> wrote:
>
>> On Thu, Jan 29 2015, Jinwoo Lee wrote:
>>> It's default value is ".", meaning all remote images will be blocked
>>> by default.
>>>
>>> ---
>>> This time setting gnus-blocked-images from the correct place.
>>
>> Looks good - it is better than the code currently in the repository,
>> even if it doesn’t address every possible case that we have discussed.
>
> That I can agree with :D

(I mean it protects us better than the code currently in the repo...)

> Tomi

Tomi

>
>>
>>> ---
>>>  emacs/notmuch-show.el | 23 ++++++++++++++++++-----
>>>  1 file changed, 18 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
>>> index 66350d4..6f38e0c 100644
>>> --- a/emacs/notmuch-show.el
>>> +++ b/emacs/notmuch-show.el
>>> @@ -136,6 +136,11 @@ indentation."
>>>    :type 'boolean
>>>    :group 'notmuch-show)
>>>  
>>> +(defcustom notmuch-show-text/html-blocked-images "."
>>> +  "Remote images that have URLs matching this regexp will be blocked."
>>> +  :type '(choice (const nil) regexp)
>>> +  :group 'notmuch-show)
>>> +
>>>  (defvar notmuch-show-thread-id nil)
>>>  (make-variable-buffer-local 'notmuch-show-thread-id)
>>>  (put 'notmuch-show-thread-id 'permanent-local t)
>>> @@ -798,16 +803,24 @@ will return nil if the CID is unknown or cannot be retrieved."
>>>  	   ;; URL-decode it (see RFC 2392).
>>>  	   (let ((cid (url-unhex-string url)))
>>>  	     (first (notmuch-show--get-cid-content cid)))))
>>> -	;; Block all external images to prevent privacy leaks and
>>> -	;; potential attacks.  FIXME: If we block an image, offer a
>>> -	;; button to load external images.
>>> -	(shr-blocked-images "."))
>>> +	;; By default, block all external images to prevent privacy
>>> +	;; leaks and potential attacks.  FIXME: If we block an image,
>>> +	;; offer a button to load external images.
>>> +	(shr-blocked-images notmuch-show-text/html-blocked-images))
>>>      (shr-insert-document dom)
>>>      t))
>>>  
>>>  (defun notmuch-show-insert-part-*/* (msg part content-type nth depth button)
>>>    ;; This handler _must_ succeed - it is the handler of last resort.
>>> -  (notmuch-mm-display-part-inline msg part content-type notmuch-show-process-crypto)
>>> +
>>> +  ;; By default, block all external images to prevent privacy leaks
>>> +  ;; and potential attacks.  FIXME: If we block an image, offer a
>>> +  ;; button to load external images.
>>> +  ;; Note that GNUS-BLOCKED-IMAGES is effective only when
>>> +  ;; MM-TEXT-HTML-RENDERER is 'gnus-w3m.
>>> +  (let ((gnus-blocked-images notmuch-show-text/html-blocked-images))
>>> +    (notmuch-mm-display-part-inline msg part content-type
>>> +				    notmuch-show-process-crypto))
>>>    t)
>>>  
>>>  ;; Functions for determining how to handle MIME parts.
>>> -- 
>>> 2.2.2
>>>
>>> _______________________________________________
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>>> notmuch at notmuchmail.org
>>> http://notmuchmail.org/mailman/listinfo/notmuch
>> _______________________________________________
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