node.js - image upload with security related issue -


i have service users can upload images (in form of base64-encoded string) server , server convert string image file , upload aws.

what if base64-encoded string malware or virus in disguise?

that valid concern. 1 way deal run up-to-date malware detection on decoded file before making public. if fails, don't allow seen anyone. check out clamav 1 such option.


-

Comments

Post a Comment

Popular posts from this blog

renaming files in a directory using python or R -

i went across similar questions of renaming files in directory using python. i have these files in directory want rename: -statistical_analysis_with_r -statistical_pattern_recognition_3rd_edition -statistical analysis r -statistical pattern recognition 3rd edition for wrote script in windows: def naming(so): import re w=re.split('[ _]+',so) r=[] in w: r.append(i.capitalize()) print(' '.join(r)) import os c in os.listdir(os.getcwd()): if c.endswith(".pdf"): os.rename(c,naming(c)) print(os.listdir(os.getcwd())) but getting error: statistical analysis r.pdf traceback (most recent call last): file "<ipython-input-79-d7f645d6d3e5>", line 4, in <module> os.rename(c,naming(c)) typeerror: rename: can't specify none path argument can what's going on? and doing same thing using r (www.r-project.org)? loads of in advance. your naming functio...
Read more

html - outline-style different in chrome compared to firefox and internet explorer -

seems firefox , ie have default of black dotted outline while chrome has default of light blue solid outline. i tried change doing this: a{ outline-style: dotted; outline-color: black; } this seems catastrophe links got dotted black outline not hovered or focused. terrible because "outline" thing can differentiate mouse focus keyboard key focus. any other idea on how make chrome's outline others ? <!doctype html> <html> <head> <style type="text/css"> body{ font-size: 1.5em; font-family: verdana; } .zone2 a{ outline-width: thick; outline-color: red; } .zone3 a{ outline-style: solid; } </style> </head> <body> outline tests:<br/> <div class="zone1"> <a href="#">test link 1</a><br/> <a href=...
Read more

ruby on rails - Carrierwave Timeout -

i have used carrierwave users upload files in rails app. when user uploads multiple files of size more 400mb (approx.) timeout error. note: i've hosted app rails app on heroku. uploading large files through heroku not recommended. limit request 30 seconds , not enough time 400mb. if open using s3, heroku provides potential rails solution that.
Read more