| Re: Parsing mbox files with Windows Php [message #181741 is a reply to message #181735] |
Tue, 28 May 2013 23:56   |
Chuck Anderson
Messages: 63
Registered: September 2010
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Jerry Stuckle wrote:
> On 5/27/2013 11:15 PM, Chuck Anderson wrote:
>> Peter H. Coffin wrote:
>>> On Sat, 25 May 2013 16:39:14 -0600, Chuck Anderson wrote:
>>>> Peter H. Coffin wrote:
>>>> > On Fri, 24 May 2013 15:57:14 -0600, Chuck Anderson wrote:
>>>> >> $mbox = imap_open('pathto/mboxfile', '', '') // works on *nix, but
>>>> >> not on Windows.
>>>> >> - Notice: Unknown: Can't open mailbox mboxfiles/Inbox: no such
>>>> >> mailbox (errflg=2) in Unknown on line 0.
>>>> >> (This second error is the one coming from the underlying
>>>> >> c-client function.)
>>>> > Okay, step one: quit munging stuff around and give us the EXACT code,
>>>> > the EXACT contents of variables involved, and the EXACT error
>>>> > messages.
>>>> > You're not revealing national secrets by posting paths to filenames,
>>>> > and
>>>> > what the problem is may be in what you're changing to be more
>>>> > general.
>>>> I used generic paths and filenames because I had tried several
>>>> variations.
>>>>
>>>> I have learned that imap_open only works on a file - on a *nix web
>>>> server - if the path to the mbox file is relative to $HOME. I have
>>>> not found any official documentation, just forum posts saying so, and
>>>> ... it is the only way I have been able to make it work.
>>>>
>>>> So, imap_open works for me (on the remote Linux host) if, and only
>>>> if, I use:
>>>> imap_open ('public_html/mboxfiles/Trash', '', '')
>>>> // Trash is an mbox file I uploaded directly from my Thunderbird
>>>> Profile
>>>>
>>>> On Windows
>>>> c:/localhost is the document root
>>>> c:/localhost/imap is where the Php scripts are located.
>>>> c:/localhost/imap/mboxfiles is where the mbox file "Trash" is located
>>>>
>>>> I have tried:
>>>> imap_open('localhost/imap/mboxfiles/Trash', '', ''); // equivalent of
>>>> being relative to $HOME on *nix
>>>> imap_open('/imap/mboxfiles/Trash', '', ''); // absolute path from
>>>> document root
>>>> imap_open('mboxfiles/Trash', '', ''); // relative path
>>>> imap_open('c:/localhost/imap/mboxfiles/Trash', '', ''); // real path
>>>> on disk
>>>>
>>>> On Windows I always get these two errors (the file path changes
>>>> accordingly):
>>>>
>>>> - Warning: imap_open(): Couldn't open stream
>>>> localhost/utilities/imap/eml/Trash in
>>>> localhost\utilities\imap\imap_save_mbox_file.php on line 127
>>>>
>>>> - Notice: Unknown: Can't open mailbox
>>>> localhost/utilities/imap/eml/Trash: no such mailbox (errflg=2) in
>>>> Unknown on line 0
>>>>
>>>> I have read that the second error is coming from the c-client
>>>> (errflg=2 comes from there).
>>>
>>> Since the error messages about whether the file can be found, maybe
>>> it's
>>> time to investigate WHERE exactly cclient is thinking it's pointing.
>>> Because DocumentRoot isn't necessarily the same as $HOME.
>>
>> I was thinking it "could" be c:/ (the root of the drive that localhost
>> is on), but I also don't see a real equivalence.
>>
>>> And when you're using an actual IMAP server, they're nowhere close to
>>> alike.
>>> But %UserProfile% might be a lot closer.
>>
>> That would be C:/Users/Username
>>
>> Hey! It found it there:
>>
>> When I moved the mbox file 'Trash' to 'C:/Users/Username' and used:
>> imap_open('Trash', '', ''); // Trash is in %UserProfile%
>>
>> The low level error changed to:
>>
>> Notice: Unknown: Trash (file C:\Users\Owner\Trash) is not in valid
>> mailbox format (errflg=2) in Unknown on line 0
>>
>> If I upload that very file to my linux host, imap_open works.
>>
>> I'll try tinkering with line endings .... and whatever else I can think
>> of ..... later.
>>
>> BTW, I tried opendir('/localhost/utilities/imap/eml/Trash') and it was
>> able to read from there just fine, but perhaps that's moot now.
>>
>>> So where's the base of what cclient, on Windows, on your
>>> configuration, actually pointing?
>>
>> Apparently that c-client is basing all folder references to
>> %UserProfile%.
>>
>>>> I hoped someone else had cracked this nut, but I'm beginning to
>>>> believe that it is not crackable, so ....
>>> It's crackable, but IMHO, the number of PHP instances that are running
>>> on Windows hosts that are doing anything user-related locally pales in
>>> comparison to the number that are using user-related stuff on unix
>>> hosts, which pales in comparison to the number that are doing only
>>> webby-webby stuff for non-local clients. So the number of people that
>>> have more than an academic interest in cracking this (much less
>>> documenting the result) is probably only a handful worldwide, and some
>>> of those probably just said "Screw it. I'll upload the mailfiles."
>>
>> Not quite yet. I might get this.
>>
>> [And ... yes, ... I use Php (WAMP) almost exclusively now for my own
>> browser based apps.]
>>
>
> Chuck,
>
> I'm glad you found the problem.
>
> I've been looking through the imap code most of the morning, but it
> doesn't look like the same code that comes with Windows (this was from
> U of Washington). There is some code in there for opening a file, but
> nothing dealing with Windows paths. There is code to open a file, but
> there doesn't seem to be a difference between Windows and Linux code
> in that area (other than the differences between OS handling). But
> nothing to do with "C:\Users\Username" at all.
>
> I suspect you're right - line endings may be a problem.
I have tried every variation of line endings in the mbox file with no
luck. I also tried adding an extra line feed to the beginning - tried
variations of the first line ("From ....") - no luck - same error
(mailbox format is not valid).
And now Christopher Becker seems to have found the problem in his latest
post.
--
*****************************
Chuck Anderson • Boulder, CO
http://cycletourist.com
Turn Off, Tune Out, Drop In
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