[Bug 123307] Fails to open .docx with wrong name extension .doc

[bu...@apache.org]

https://issues.apache.org/ooo/show_bug.cgi?id=123307

Rainer Bielefeld <ra...@bielefeldundbuss.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rainerbielefeld_ooo_qa@biel
                   |                            |efeldundbuss.de
            Version|4.0.0                       |3.4.0
            Summary|Couldn't open               |Fails to open .docx with
                   |Word97-2003-file            |wrong name extension .doc

--- Comment #3 from Rainer Bielefeld <ra...@bielefeldundbuss.de> ---
Reproducible with  "AOO 4.0.1 RC2  – German UI / German locale 
[AOO401m5(Build:9714)  -  Rev. 1523756 2013-09-16 20:50:21]" on German German
WIN7 Home Premium (64bit)", Common 4.0-dev User Profile. When I try to open the
document via Menu 'File -> Open' (does not matter whether AOO or OS dialog) I
see message as shown in Edwin's screenshot.

a) I looked into the document code, looks strange.

a1) the typical strings "Microsoft Word-Dokument" and "Word.Document.8" 
    are missing, and everything looks more like .docx. 
b) And indeed, when I rename reporter's sample to template.docx it will be 
   opened without problems. 
c) And when in AOO File Open Dialog I 
  - select document type "MS WORD 2007 XML (*.docx)
  - Filename *.* -> [ok] so that "template.doc" appears
  - select "template.doc" -> [ok]
  > The document will be opened without problems
d) I doubt that that is a feature, AOO should be tolerant with such user
errors.
f) not a new problem, already reproducible with AOO 3.4.0 and
   OOo 3.3.0, so inherited from OOo.
g) With OOo 3.1.1 behavior was a little different, that version recognizes
   that something is wrong with the document and opens the file open filter 
   selection dialog, what is elaborate, but acceptable

So this report has 2 parts:

h) Bug: AOO should offer the file open filter selection dialog if it sees
        that name extension and document contents do not match instead
        of directly showing the error message. Error message would be 
        appropriate if document code still does not match with selected 
        file type in filter dialog when user opens document from filter

i) Enhancement request: AOO should ignore wrong file name extensions and 
   automatically use the correct filter (may be with a message: Recognized
   document type xyz, open as that document type?"

j) Competitors:
j1) LibO 3.3.3 also suffered from that problem, but current versions open
   reporter's sample without problems as correct file type
j2) SoftMaker FreeOffice: opens reporter's sample without problems
j3) Calligra: opens reporter's sample without problems
j4) Lotus Symphony Release 3.0.1 Revision 20120110.2000 : opens 
    reporter's sample without problems
    So AOO does the worst job here.

There is an additional "Missing graphic" problem, I will submit an additional
report.

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