fix: content-disposition values are sanitized and absolute path, parent-directory travesal segments are rejected

[jeevatkm]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.78%. Comparing base (c52f4e3) to head (527506a).
⚠️ Report is 1 commits behind head on v3.

Additional details and impacted files

@@           Coverage Diff           @@
##               v3    #1157   +/-   ##
=======================================
  Coverage   99.77%   99.78%           
=======================================
  Files          20       20           
  Lines        4070     4110   +40     
=======================================
+ Hits         4061     4101   +40     
  Misses          6        6           
  Partials        3        3           

Flag	Coverage Δ
unittests	99.78% <100.00%> (+<0.01%)	⬆️

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