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HARview

About

HARview is a HAR (HTTP Archive) viewer. HAR is a JSON-encoded recording of HTTP requests, responses and timings. .har Files can be exported from Chrome's Developer Tools' "Network" tab by capturing some traffic, right-clicking in the results pane and selecting 'Save as HAR with content'.

HARView is a commandline tool which takes as input a .har (HTTP Archive) file and dumps a human-readable summary of it to the console. It is mostly useful for long dumps with many requests (such as debugging SAML / OAuth / etc). These can be captured in Chrome by enabling the "Preserve Log upon Navigation" button in the Network analyser.

More information is available here: http://www.electricmonk.nl/log/2013/09/16/quick-n-dirty-har-http-archive-viewer/

Requirements

Python (v2.5+)

Installation

Installation is easiest via Pip:

sudo pip install harview

Usage

From the --help:

usage: harview [-h] [-v] [--filter-img] [--filter-refs] [--filter-all]
               [--grep-req GREP_REQ] [--grep-res GREP_RES] [--nocolor]
               har_file

positional arguments:
  har_file

optional arguments:
  -h, --help           show this help message and exit
  -v, --verbose        Show more. Can be used multiple times
  --filter-img         Filter out requests for images
  --filter-refs        Filter out requests for CSS, JS, etc
  --filter-all         All filters
  --grep-req GREP_REQ  Only show requests where Request headers contain
                       GREP_REQ.
  --grep-res GREP_RES  Only show requests where Response headers contain
                       GREP_RES.
  --nocolor

Examples:

harview.py -vv --filter-all example.har

The output of which would look something like:

301 GET http://electricmonk.nl/
    Request headers
    Response headers (status = 301)

200 GET http://www.electricmonk.nl/
    Request headers
        DNT: 1
        Accept-Encoding: gzip,deflate,sdch
        Host: www.electricmonk.nl
        Accept-Language: en-US,en;q=0.8,nl-NL;q=0.6,nl;q=0.4
        User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (
                    KHTML, like Gecko) Ubuntu Chromium/28.0.1500.71 Chro
                    me/28.0.1500.71 Safari/537.36
        Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/
                *;q=0.8
        Cookie: PHPSESSID=210cd55ffbe6a18e104495ecee1e4356
        Connection: keep-alive
    Response headers (status = 200)
        Date: Mon, 16 Sep 2013 18:02:05 GMT
        Transfer-Encoding: chunked
        Server: Apache
        Connection: Keep-Alive
        Keep-Alive: timeout=15, max=100
        X-Pingback: http://www.electricmonk.nl/log/xmlrpc.php
        Content-Type: text/html; charset=UTF-8

200 GET http://fonts.googleapis.com/css?family=Jura
    Request headers
        DNT: 1
        Accept-Encoding: gzip,deflate,sdch
        Host: fonts.googleapis.com
        Accept-Language: en-US,en;q=0.8,nl-NL;q=0.6,nl;q=0.4
        User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (
                    KHTML, like Gecko) Ubuntu Chromium/28.0.1500.71 Chro
                    me/28.0.1500.71 Safari/537.36
        Accept: text/css,*/*;q=0.1
        Referer: http://www.electricmonk.nl/
        Connection: keep-alive
    Response headers (status = 200)
        Date: Mon, 16 Sep 2013 18:02:05 GMT
        X-Content-Type-Options: nosniff
        Server: GSE
        X-Frame-Options: SAMEORIGIN
        Content-Type: text/css
        Alternate-Protocol: 80:quic
        Cache-Control: private, max-age=86400
        Timing-Allow-Origin: *
        Content-Length: 239
        X-XSS-Protection: 1; mode=block
        Expires: Mon, 16 Sep 2013 18:02:05 GMT

You can limit the entries shown with the --grep-req and grep-res options:

harview --grep-res 'Content-Type: text' example.har
200 GET https://github.com/fboender/harview
200 GET https://assets-cdn.github.com/assets/frameworks-5aa6d9885579bb2359f66266aee26f3b.css
200 GET https://assets-cdn.github.com/assets/github-183b206659a9b3e5eb123ceb5316db95.css
200 GET https://github.com/fboender/harview/show_partial?partial=tree%2Frecently_touched_branches_list

harview --grep-req 'X-Requested-With: XMLHttpRequest' example.har
200 GET https://github.com/fboender/harview/show_partial?partial=tree%2Frecently_touched_branches_list

License

Harview is open source, released under the MIT license. Please see the LICENSE file for a full copy of the MIT license.