Refactored code to follow common python style.

This commit is contained in:
Natalia Portillo 2017-01-21 16:38:14 +00:00
parent ebb8d0efdf
commit 29c71e6fd9
No known key found for this signature in database
GPG Key ID: 51D20488C724CA9F

265
wrp.py
View File

@ -7,13 +7,13 @@
__version__ = "1.3"
#
#
# This program is based on the software picidae.py from picidae.net
# It was modified by Antoni Sawicki http://www.tenox.net/out/#wrp
#
#
# This program is based on the software webkit2png from Paul Hammond.
# It was extended by picidae.net
#
#
# Copyright (c) 2013-2014 Antoni Sawicki
# Copyright (c) 2012-2013 picidae.net
# Copyright (c) 2004-2013 Paul Hammond
@ -37,9 +37,9 @@ __version__ = "1.3"
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# Configuration options:
PORT = 8080
PORT = 8080
WIDTH = 1024
HEIGHT = 768
ISMAP = "true"
@ -76,17 +76,18 @@ if sys.platform == "linux" or sys.platform == "linux2":
from PyQt4.QtNetwork import *
# claunia: Check how to use this in macOS
logging.basicConfig(filename='/dev/stdout',level=logging.WARN,)
logger = logging.getLogger('wrp');
logging.basicConfig(filename='/dev/stdout', level=logging.WARN, )
logger = logging.getLogger('wrp')
# Class for Website-Rendering. Uses QWebPage, which
# requires a running QtGui to work.
class WebkitRenderer(QObject):
def __init__(self,**kwargs):
def __init__(self, **kwargs):
"""Sets default values for the properties."""
if not QApplication.instance():
raise RuntimeError(self.__class__.__name__ + " requires a running QApplication instance")
raise RuntimeError(self.__class__.__name__ + \
" requires a running QApplication instance")
QObject.__init__(self)
# Initialize default properties
@ -114,7 +115,7 @@ if sys.platform == "linux" or sys.platform == "linux2":
# QApplication.processEvents may be called, causing
# this method to get called while it has not returned yet.
helper = _WebkitRendererHelper(self)
helper._window.resize( self.width, self.height )
helper._window.resize(self.width, self.height)
image = helper.render(url)
# Bind helper instance to this image to prevent the
@ -138,8 +139,8 @@ if sys.platform == "linux" or sys.platform == "linux2":
QObject.__init__(self)
# Copy properties from parent
for key,value in parent.__dict__.items():
setattr(self,key,value)
for key, value in parent.__dict__.items():
setattr(self, key, value)
# Create and connect required PyQt4 objects
self._page = CustomWebPage(logger=self.logger)
@ -155,13 +156,18 @@ if sys.platform == "linux" or sys.platform == "linux2":
# Connect required event listeners
self.connect(self._page, SIGNAL("loadFinished(bool)"), self._on_load_finished)
self.connect(self._page, SIGNAL("loadStarted()"), self._on_load_started)
self.connect(self._page.networkAccessManager(), SIGNAL("sslErrors(QNetworkReply *,const QList<QSslError>&)"), self._on_ssl_errors)
self.connect(self._page.networkAccessManager(), SIGNAL("finished(QNetworkReply *)"), self._on_each_reply)
self.connect(self._page.networkAccessManager(),
SIGNAL("sslErrors(QNetworkReply *,const QList<QSslError>&)"),
self._on_ssl_errors)
self.connect(self._page.networkAccessManager(),
SIGNAL("finished(QNetworkReply *)"),
self._on_each_reply)
# The way we will use this, it seems to be unesseccary to have Scrollbars enabled
self._page.mainFrame().setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff)
self._page.mainFrame().setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff)
self._page.settings().setUserStyleSheetUrl(QUrl("data:text/css,html,body{overflow-y:hidden !important;}"))
self._page.settings().setUserStyleSheetUrl(
QUrl("data:text/css,html,body{overflow-y:hidden !important;}"))
# Show this widget
# self._window.show()
@ -202,12 +208,16 @@ if sys.platform == "linux" or sys.platform == "linux2":
httpout = WebkitRenderer.httpout
# Write URL map
httpout.write("<!-- Web Rendering Proxy v%s by Antoni Sawicki -->\n<html>\n<body>\n<img src=\"http://%s\" alt=\"webrender\" usemap=\"#map\">\n<map name=\"map\">\n" % (__version__, WebkitRenderer.req_jpg))
httpout.write("<!-- Web Rendering Proxy v%s by Antoni Sawicki -->\n"
"<html>\n<body>\n"
"<img src=\"http://%s\" alt=\"webrender\" usemap=\"#map\">\n"
"<map name=\"map\">\n" % (__version__, WebkitRenderer.req_jpg))
frame = self._view.page().currentFrame()
for x in frame.findAllElements('a'):
value = x.attribute('href')
xmin, ymin, xmax, ymax = x.geometry().getCoords()
httpout.write("<area shape=\"rect\" coords=\"%i,%i,%i,%i\" alt=\"%s\" href=\"%s\">\n" % (xmin, ymin, xmax, ymax, value, value))
xmin, ymin, xmax, ymax = x.geometry().getCoords()
httpout.write("<area shape=\"rect\" coords=\"%i,%i,%i,%i\" alt=\"%s\" href=\"%s\">"
"\n" % (xmin, ymin, xmax, ymax, value, value))
httpout.write("</map>\n</body>\n</html>\n")
return image
@ -245,7 +255,7 @@ if sys.platform == "linux" or sys.platform == "linux2":
self._window.resize(size)
def _on_each_reply(self,reply):
def _on_each_reply(self, reply):
"""Logs each requested uri"""
self.logger.debug("Received %s" % (reply.url().toString()))
@ -284,9 +294,9 @@ if sys.platform == "linux" or sys.platform == "linux2":
return False
def javaScriptPrompt(self, frame, message, default, result):
"""This function is called whenever a JavaScript program running inside frame tries to prompt
the user for input. The program may provide an optional message, msg, as well as a default value
for the input in defaultValue.
"""This function is called whenever a JavaScript program running inside frame tries to
prompt the user for input. The program may provide an optional message, msg, as well
as a default value for the input in defaultValue.
If the prompt was cancelled by the user the implementation should return false;
otherwise the result should be written to result and true should be returned.
@ -297,8 +307,9 @@ if sys.platform == "linux" or sys.platform == "linux2":
return False
def shouldInterruptJavaScript(self):
"""This function is called when a JavaScript program is running for a long period of time.
If the user wanted to stop the JavaScript the implementation should return true; otherwise false.
"""This function is called when a JavaScript program is running for a long period of
time. If the user wanted to stop the JavaScript the implementation should return
true; otherwise false.
"""
if self.logger: self.logger.debug("WebKit ask to interrupt JavaScript")
return True
@ -366,8 +377,9 @@ if sys.platform == "linux" or sys.platform == "linux2":
output.close()
del renderer
print ">>> done: %s [%d kb]..." % (WebkitRenderer.req_jpg, os.path.getsize(WebkitRenderer.req_jpg)/1024)
print ">>> done: %s [%d kb]..." % (WebkitRenderer.req_jpg,
os.path.getsize(WebkitRenderer.req_jpg)/1024)
RESP.put('')
QApplication.exit(0)
@ -375,7 +387,7 @@ if sys.platform == "linux" or sys.platform == "linux2":
logger.error("main: %s" % e)
print >> sys.stderr, e
QApplication.exit(1)
######################
### macOS CODEPATH ###
######################
@ -386,40 +398,40 @@ elif sys.platform == "darwin":
import AppKit
import objc
class AppDelegate (Foundation.NSObject):
class AppDelegate(Foundation.NSObject):
# what happens when the app starts up
def applicationDidFinishLaunching_(self, aNotification):
webview = aNotification.object().windows()[0].contentView()
webview.frameLoadDelegate().getURL(webview)
class WebkitLoad (Foundation.NSObject, WebKit.protocols.WebFrameLoadDelegate):
class WebkitLoad(Foundation.NSObject, WebKit.protocols.WebFrameLoadDelegate):
# what happens if something goes wrong while loading
def webView_didFailLoadWithError_forFrame_(self,webview,error,frame):
def webView_didFailLoadWithError_forFrame_(self, webview, error, frame):
if error.code() == Foundation.NSURLErrorCancelled:
return
print " ... something went wrong 1: " + error.localizedDescription()
AppKit.NSApplication.sharedApplication().terminate_(None)
def webView_didFailProvisionalLoadWithError_forFrame_(self,webview,error,frame):
def webView_didFailProvisionalLoadWithError_forFrame_(self, webview, error, frame):
if error.code() == Foundation.NSURLErrorCancelled:
return
print " ... something went wrong 2: " + error.localizedDescription()
AppKit.NSApplication.sharedApplication().terminate_(None)
def getURL(self,webview):
def getURL(self, webview):
req = REQ.get()
WebkitLoad.httpout = req[0]
WebkitLoad.req_url = req[1]
WebkitLoad.req_gif = req[2]
WebkitLoad.req_map = req[3]
if (WebkitLoad.req_url == "http://wrp.stop/"):
if WebkitLoad.req_url == "http://wrp.stop/":
print ">>> Terminate Request Received"
AppKit.NSApplication.sharedApplication().terminate_(None)
nsurl = Foundation.NSURL.URLWithString_(WebkitLoad.req_url)
if not (nsurl and nsurl.scheme()):
nsurl = Foundation.NSURL.alloc().initFileURLWithPath_(WebkitLoad.req_url)
nsurl = Foundation.NSURL.alloc().initFileURLWithPath_(WebkitLoad.req_url)
nsurl = nsurl.absoluteURL()
Foundation.NSURLRequest.setAllowsAnyHTTPSCertificate_forHost_(objc.YES, nsurl.host())
@ -430,13 +442,13 @@ elif sys.platform == "darwin":
print " ... not a proper url?"
RESP.put('')
self.getURL(webview)
def resetWebview(self,webview):
rect = Foundation.NSMakeRect(0,0,WIDTH,HEIGHT)
webview.window().setContentSize_((WIDTH,HEIGHT))
def resetWebview(self, webview):
rect = Foundation.NSMakeRect(0, 0, WIDTH, HEIGHT)
webview.window().setContentSize_((WIDTH, HEIGHT))
webview.setFrame_(rect)
def captureView(self,view):
def captureView(self, view):
view.window().display()
view.window().setContentSize_(view.bounds().size)
view.setFrame_(view.bounds())
@ -450,31 +462,39 @@ elif sys.platform == "darwin":
bitmapdata.initWithFocusedViewRect_(view.bounds())
view.unlockFocus()
return bitmapdata
# what happens when the page has finished loading
def webView_didFinishLoadForFrame_(self,webview,frame):
def webView_didFinishLoadForFrame_(self, webview, frame):
# don't care about subframes
if (frame == webview.mainFrame()):
if frame == webview.mainFrame():
view = frame.frameView().documentView()
bitmapdata = self.captureView(view)
bitmapdata.representationUsingType_properties_(AppKit.NSGIFFileType,None).writeToFile_atomically_(WebkitLoad.req_gif,objc.YES)
bitmapdata = self.captureView(view)
bitmapdata.representationUsingType_properties_(
AppKit.NSGIFFileType, None).writeToFile_atomically_(
WebkitLoad.req_gif, objc.YES)
# url of the rendered page
web_url = frame.dataSource().initialRequest().URL().absoluteString()
httpout = WebkitLoad.httpout
httpout.write("<!-- Web Rendering Proxy v%s by Antoni Sawicki -->\n" % (__version__))
httpout.write("<!-- Request for [%s] frame [%s] -->\n" % (WebkitLoad.req_url, web_url))
httpout.write("<HTML><HEAD><TITLE>WRP%s:%s</TITLE></HEAD>\n<BODY>\n" % (__version__,web_url))
if (ISMAP == "true"):
httpout.write("<A HREF=\"http://%s\"><IMG SRC=\"http://%s\" ALT=\"wrp-render\" ISMAP>\n</A>\n" % (WebkitLoad.req_map, WebkitLoad.req_gif))
httpout.write("<!-- Web Rendering Proxy v%s by Antoni Sawicki -->\n"
% (__version__))
httpout.write("<!-- Request for [%s] frame [%s] -->\n"
% (WebkitLoad.req_url, web_url))
httpout.write("<HTML><HEAD><TITLE>WRP%s:%s</TITLE></HEAD>\n<BODY>\n"
% (__version__, web_url))
if ISMAP == "true":
httpout.write("<A HREF=\"http://%s\">"
"<IMG SRC=\"http://%s\" ALT=\"wrp-render\" ISMAP>\n"
"</A>\n" % (WebkitLoad.req_map, WebkitLoad.req_gif))
mapfile = open(WebkitLoad.req_map, "w+")
mapfile.write("default %s\n" % (web_url))
else:
httpout.write("<IMG SRC=\"http://%s\" ALT=\"wrp-render\" USEMAP=\"#map\">\n<MAP NAME=\"map\">\n" % (WebkitLoad.req_gif))
httpout.write("<IMG SRC=\"http://%s\" ALT=\"wrp-render\" USEMAP=\"#map\">\n"
"<MAP NAME=\"map\">\n" % (WebkitLoad.req_gif))
domdocument = frame.DOMDocument()
domnodelist = domdocument.getElementsByTagName_('A')
i = 0
@ -482,25 +502,28 @@ elif sys.platform == "darwin":
turl = domnodelist.item_(i).valueForKey_('href')
#TODO: crashes? validate url? insert web_url if wrong?
myrect = domnodelist.item_(i).boundingBox()
xmin = Foundation.NSMinX(myrect)
ymin = Foundation.NSMinY(myrect)
xmax = Foundation.NSMaxX(myrect)
ymax = Foundation.NSMaxY(myrect)
if (ISMAP == "true"):
if ISMAP == "true":
mapfile.write("rect %s %i,%i %i,%i\n" % (turl, xmin, ymin, xmax, ymax))
else:
httpout.write("<AREA SHAPE=\"RECT\" COORDS=\"%i,%i,%i,%i\" ALT=\"%s\" HREF=\"%s\">\n" % (xmin, ymin, xmax, ymax, turl, turl))
httpout.write("<AREA SHAPE=\"RECT\""
" COORDS=\"%i,%i,%i,%i\""
" ALT=\"%s\" HREF=\"%s\">\n"
% (xmin, ymin, xmax, ymax, turl, turl))
i += 1
if (ISMAP != "true"):
if ISMAP != "true":
httpout.write("</MAP>\n")
httpout.write("</BODY>\n</HTML>\n")
if (ISMAP == "true"):
if ISMAP == "true":
mapfile.close()
# Return to Proxy thread and Loop...
@ -509,109 +532,117 @@ elif sys.platform == "darwin":
def main_cocoa():
# Launch NS Application
AppKit.NSApplicationLoad();
AppKit.NSApplicationLoad()
app = AppKit.NSApplication.sharedApplication()
delegate = AppDelegate.alloc().init()
AppKit.NSApp().setDelegate_(delegate)
AppKit.NSBundle.mainBundle().infoDictionary()['NSAppTransportSecurity'] = dict(NSAllowsArbitraryLoads = True)
rect = Foundation.NSMakeRect(-16000,-16000,100,100)
AppKit.NSBundle.mainBundle().infoDictionary()['NSAppTransportSecurity'] = \
dict(NSAllowsArbitraryLoads=True)
rect = Foundation.NSMakeRect(-16000, -16000, 100, 100)
win = AppKit.NSWindow.alloc()
win.initWithContentRect_styleMask_backing_defer_ (rect, AppKit.NSBorderlessWindowMask, 2, 0)
win.initWithContentRect_styleMask_backing_defer_(rect, AppKit.NSBorderlessWindowMask, 2, 0)
webview = WebKit.WebView.alloc()
webview.initWithFrame_(rect)
webview.mainFrame().frameView().setAllowsScrolling_(objc.NO)
webkit_version = Foundation.NSBundle.bundleForClass_(WebKit.WebView).objectForInfoDictionaryKey_(WebKit.kCFBundleVersionKey)[1:]
webview.setApplicationNameForUserAgent_("Like-Version/6.0 Safari/%s wrp/%s" % (webkit_version, __version__))
webkit_version = Foundation.NSBundle.bundleForClass_(WebKit.WebView). \
objectForInfoDictionaryKey_(WebKit.kCFBundleVersionKey)[1:]
webview.setApplicationNameForUserAgent_("Like-Version/6.0 Safari/%s wrp/%s"
% (webkit_version, __version__))
win.setContentView_(webview)
loaddelegate = WebkitLoad.alloc().init()
loaddelegate.options = [""]
webview.setFrameLoadDelegate_(loaddelegate)
app.run()
app.run()
#######################
### COMMON CODEPATH ###
#######################
class Proxy(SimpleHTTPServer.SimpleHTTPRequestHandler):
def do_GET(self):
req_url=self.path
httpout=self.wfile
gif_re = re.match("http://(wrp-\d+\.gif).*", req_url)
map_re = re.match("http://(wrp-\d+\.map).*?(\d+),(\d+)", req_url)
ico_re = re.match("http://.+\.ico", req_url)
jpg_re = re.match("http://(wrp-\d+\.jpg).*", req_url)
req_url = self.path
httpout = self.wfile
gif_re = re.match(r"http://(wrp-\d+\.gif).*", req_url)
map_re = re.match(r"http://(wrp-\d+\.map).*?(\d+),(\d+)", req_url)
ico_re = re.match(r"http://.+\.ico", req_url)
jpg_re = re.match(r"http://(wrp-\d+\.jpg).*", req_url)
# Serve Rendered GIF
if (gif_re):
img=gif_re.group(1)
if gif_re:
img = gif_re.group(1)
print ">>> GIF file request... " + img
self.send_response(200, 'OK')
self.send_header('Content-type', 'image/gif')
self.end_headers()
fimg=open(img)
self.end_headers()
fimg = open(img)
httpout.write(fimg.read())
fimg.close()
os.remove(img)
elif (jpg_re):
img=jpg_re.group(1)
print ">>> request for rendered jpg image... %s [%d kb]" % (img, os.path.getsize(img)/1024)
elif jpg_re:
img = jpg_re.group(1)
print ">>> request for rendered jpg image... %s [%d kb]" \
% (img, os.path.getsize(img)/1024)
self.send_response(200, 'OK')
self.send_header('Content-type', 'image/jpeg')
self.end_headers()
self.end_headers()
fimg = open(img)
httpout.write(fimg.read())
fimg.close()
os.remove(img)
# Process ISMAP Request
elif (map_re):
map=map_re.group(1)
req_x=int(map_re.group(2))
req_y=int(map_re.group(3))
elif map_re:
map = map_re.group(1)
req_x = int(map_re.group(2))
req_y = int(map_re.group(3))
print ">>> ISMAP request... %s [%d,%d] " % (map, req_x, req_y)
with open(map) as mapf:
goto_url="none"
for line in mapf.readlines():
if(re.match("(\S+)", line).group(1) == "default"):
default_url=re.match("\S+\s+(\S+)", line).group(1)
elif(re.match("(\S+)", line).group(1) == "rect"):
rect=re.match("(\S+)\s+(\S+)\s+(\d+),(\d+)\s+(\d+),(\d+)", line)
min_x=int(rect.group(3))
min_y=int(rect.group(4))
max_x=int(rect.group(5))
max_y=int(rect.group(6))
if( (req_x >= min_x) and (req_x <= max_x) and (req_y >= min_y) and (req_y <= max_y) ):
goto_url=rect.group(2)
mapf.close()
if(goto_url == "none"):
goto_url=default_url
goto_url = "none"
for line in mapf.readlines():
if re.match(r"(\S+)", line).group(1) == "default":
default_url = re.match(r"\S+\s+(\S+)", line).group(1)
print(">>> ISMAP redirect: %s\n" % (goto_url))
elif re.match(r"(\S+)", line).group(1) == "rect":
rect = re.match(r"(\S+)\s+(\S+)\s+(\d+),(\d+)\s+(\d+),(\d+)", line)
min_x = int(rect.group(3))
min_y = int(rect.group(4))
max_x = int(rect.group(5))
max_y = int(rect.group(6))
if (req_x >= min_x) and \
(req_x <= max_x) and \
(req_y >= min_y) and \
(req_y <= max_y):
goto_url = rect.group(2)
mapf.close()
if goto_url == "none":
goto_url = default_url
print ">>> ISMAP redirect: %s\n" % (goto_url)
self.send_response(302, "Found")
self.send_header("Location", goto_url)
self.send_header("Content-type", "text/html")
self.end_headers()
httpout.write("<HTML><BODY><A HREF=\"%s\">%s</A></BODY></HTML>\n" % (goto_url, goto_url))
httpout.write("<HTML><BODY><A HREF=\"%s\">%s</A></BODY></HTML>\n"
% (goto_url, goto_url))
# ICO files, WebKit crashes on these
elif (ico_re):
self.send_error(415, "ICO not supported")
elif ico_re:
self.send_error(415, "ICO not supported")
self.end_headers()
# Process a web page request and generate image
else:
print ">>> URL request... " + req_url
self.send_response(200, 'OK')
self.send_header('Content-type', 'text/html')
self.end_headers()
self.end_headers()
rnd = random.randrange(0,1000)
rnd = random.randrange(0, 1000)
if sys.platform == "linux" or sys.platform == "linux2":
@ -657,4 +688,4 @@ def main():
else:
sys.exit("Unsupported platform: %s. Exiting." % sys.platform)
if __name__ == '__main__' : main()
if __name__ == '__main__': main()