Sanatise CSV content in PHP -


i've built bulk user import engine web application , it's working perfectly. i'm sitting here asking myself, secure? after all, content of file being pumped database!

not being wisest security nerd around need little advice here.

  • users not able rename file after it's uploaded.
  • when file uploaded, name instantly changed.
  • files must .csv , have csv relative mimetype upload work.
  • the uploaded file stored in directory not accessible via www , deleted import has completed, few hundred milliseconds.
  • i'm opening file , removing blank lines during import

what actual content of file? how can sanitize file ensure doesn't contain executable code? looked @ php manual , saw of php 4.3.5 getcsv() binary safe, being totally honest, i'm not 100% sure means.

i'm thinking converting csv content array , creating function escapes array content. other suggestions or above safe?

you can try using array_walk() run mysql_escape_string() or database's equivalent doubly sure kosher.

function escape_sql(&$item, $key) {   $item = mysql_escape_string($item);  }  array_walk($input_array, 'escape_sql');

if array multi-dimensional can use array_walk_recursive(), operates similarly.


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