tools/lint/file-perm/__init__.py

   1 # This Source Code Form is subject to the terms of the Mozilla Public
   2 # License, v. 2.0. If a copy of the MPL was not distributed with this
   3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   4
   5 import os
   6 import platform
   7
   8 from mozlint import result
   9 from mozlint.pathutils import expand_exclusions
  10
  11
  12 def lint(paths, config, fix=None, **lintargs):
  13     results = []
  14     fixed = 0
  15
  16     if platform.system() == "Windows":
  17         # Windows doesn't have permissions in files
  18         # Exit now
  19         return {"results": results, "fixed": fixed}
  20
  21     files = list(expand_exclusions(paths, config, lintargs["root"]))
  22     for f in files:
  23         if os.access(f, os.X_OK):
  24             if config.get("allow-shebang"):
  25                 with open(f, "r+") as content:
  26                     # Some source files have +x permissions
  27                     line = content.readline()
  28                     if line.startswith("#!"):
  29                         # Check if the file doesn't start with a shebang
  30                         # if it does, not a warning
  31                         continue
  32
  33             if fix:
  34                 # We want to fix it, do it and leave
  35                 os.chmod(f, 0o644)
  36                 fixed += 1
  37                 continue
  38
  39             res = {
  40                 "path": f,
  41                 "message": "Execution permissions on a source file",
  42                 "level": "error",
  43             }
  44             results.append(result.from_config(config, **res))
  45     return {"results": results, "fixed": fixed}