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commit: 60eb831966a7482ec1bcd7d095241cf2e6fe4dc6
parent: 306c644fa7e6386748a42e082a352c5c52c76d09
Author: Adam Tauber <asciimoo@gmail.com>
Date:   Fri, 16 Jan 2015 16:02:21 +0100

[enh] image proxy base

Diffstat:

searx/webapp.py | 37++++++++++++++++++++++++++++++++++++-
1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/searx/webapp.py b/searx/webapp.py @@ -27,6 +27,7 @@ import cStringIO import os from datetime import datetime, timedelta +from requests import get as http_get from itertools import chain from flask import ( Flask, request, render_template, url_for, Response, make_response, @@ -39,7 +40,7 @@ from searx.engines import ( ) from searx.utils import ( UnicodeWriter, highlight_content, html_to_text, get_themes, - get_static_files, get_result_templates + get_static_files, get_result_templates, gen_useragent ) from searx.version import VERSION_STRING from searx.languages import language_codes @@ -531,6 +532,40 @@ def preferences(): theme=get_current_theme_name()) +@app.route('/image_proxy', methods=['GET']) +def image_proxy(): + url = request.args.get('url') + + if not url: + return '', 400 + + resp = http_get(url, + stream=True, + timeout=settings['server'].get('request_timeout', 2), + headers={'User-Agent': gen_useragent()}) + + if resp.status_code != 200: + logger.debug('image-proxy: wrong response code: {0}'.format(resp.status_code)) + if resp.status_code >= 400: + return '', resp.status_code + return '', 400 + + if not resp.headers.get('content-type', '').startswith('image/'): + logger.debug('image-proxy: wrong content-type: {0}'.format(resp.get('content-type'))) + return '', 400 + + img = '' + chunk_counter = 0 + + for chunk in resp.iter_content(1024*1024): + chunk_counter += 1 + if chunk_counter > 5: + return '', 502 # Bad gateway - file is too big (>5M) + img += chunk + + return Response(img, mimetype=resp.headers['content-type']) + + @app.route('/stats', methods=['GET']) def stats(): """Render engine statistics page."""