D12049: Obey umask rules when saving new file

[Chinmoy Ranjan Pradhan]

chinmoyr created this revision.
chinmoyr added reviewers: Okular, aacid.
Restricted Application added a project: Okular.
chinmoyr requested review of this revision.

REVISION SUMMARY
  Okular saves a new file with permissions 0600 completely ignoring the umask value. This is because it
  makes use of QTemporaryFile which creates file with the said permissions and which then Okular copies
  to the new location.
  So to overcome this generate new file permissions using old mask value and change permissions of the
  new file.
  
  BUG: 392682

TEST PLAN
  Set umask to 0040
  Open a pdf file from the same shell and save it under a new name.
  Before patch:
  file permisions -> 0600
  After patch:
  file permisions -> 0606

REPOSITORY
  R223 Okular

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D12049

AFFECTED FILES
  part.cpp

To: chinmoyr, #okular, aacid
Cc: michaelweghorn, ngraham, aacid
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