diff options
Diffstat (limited to 'libmproxy/console/contentview.py')
| -rw-r--r-- | libmproxy/console/contentview.py | 541 |
1 files changed, 0 insertions, 541 deletions
diff --git a/libmproxy/console/contentview.py b/libmproxy/console/contentview.py deleted file mode 100644 index 17ed90e1..00000000 --- a/libmproxy/console/contentview.py +++ /dev/null @@ -1,541 +0,0 @@ -from __future__ import absolute_import -import cStringIO -import json -import logging -import lxml.html -import lxml.etree -from PIL import Image -from PIL.ExifTags import TAGS -import subprocess -import traceback -import urwid -import html2text - -import netlib.utils -from netlib import encoding - -from . import common, signals -from .. import utils -from ..contrib import jsbeautifier -from ..contrib.wbxml.ASCommandResponse import ASCommandResponse - -try: - import pyamf - from pyamf import remoting, flex -except ImportError: # pragma nocover - pyamf = None - -try: - import cssutils -except ImportError: # pragma nocover - cssutils = None -else: - cssutils.log.setLevel(logging.CRITICAL) - - cssutils.ser.prefs.keepComments = True - cssutils.ser.prefs.omitLastSemicolon = False - cssutils.ser.prefs.indentClosingBrace = False - cssutils.ser.prefs.validOnly = False - -VIEW_CUTOFF = 1024 * 50 - - -def _view_text(content, total, limit): - """ - Generates a body for a chunk of text. - """ - txt = [] - for i in netlib.utils.cleanBin(content).splitlines(): - txt.append( - urwid.Text(("text", i), wrap="any") - ) - trailer(total, txt, limit) - return txt - - -def trailer(clen, txt, limit): - rem = clen - limit - if rem > 0: - txt.append(urwid.Text("")) - txt.append( - urwid.Text( - [ - ("highlight", "... %s of data not shown. Press " % netlib.utils.pretty_size(rem)), - ("key", "f"), - ("highlight", " to load all data.") - ] - ) - ) - - -class ViewAuto: - name = "Auto" - prompt = ("auto", "a") - content_types = [] - - def __call__(self, hdrs, content, limit): - ctype = hdrs.get("content-type") - if ctype: - ct = netlib.utils.parse_content_type(ctype) if ctype else None - ct = "%s/%s" % (ct[0], ct[1]) - if ct in content_types_map: - return content_types_map[ct][0](hdrs, content, limit) - elif utils.isXML(content): - return get("XML")(hdrs, content, limit) - return get("Raw")(hdrs, content, limit) - - -class ViewRaw: - name = "Raw" - prompt = ("raw", "r") - content_types = [] - - def __call__(self, hdrs, content, limit): - txt = _view_text(content[:limit], len(content), limit) - return "Raw", txt - - -class ViewHex: - name = "Hex" - prompt = ("hex", "e") - content_types = [] - - def __call__(self, hdrs, content, limit): - txt = [] - for offset, hexa, s in netlib.utils.hexdump(content[:limit]): - txt.append(urwid.Text([ - ("offset", offset), - " ", - ("text", hexa), - " ", - ("text", s), - ])) - trailer(len(content), txt, limit) - return "Hex", txt - - -class ViewXML: - name = "XML" - prompt = ("xml", "x") - content_types = ["text/xml"] - - def __call__(self, hdrs, content, limit): - parser = lxml.etree.XMLParser( - remove_blank_text=True, - resolve_entities=False, - strip_cdata=False, - recover=False - ) - try: - document = lxml.etree.fromstring(content, parser) - except lxml.etree.XMLSyntaxError: - return None - docinfo = document.getroottree().docinfo - - prev = [] - p = document.getroottree().getroot().getprevious() - while p is not None: - prev.insert( - 0, - lxml.etree.tostring(p) - ) - p = p.getprevious() - doctype = docinfo.doctype - if prev: - doctype += "\n".join(prev).strip() - doctype = doctype.strip() - - s = lxml.etree.tostring( - document, - pretty_print=True, - xml_declaration=True, - doctype=doctype or None, - encoding = docinfo.encoding - ) - - txt = [] - for i in s[:limit].strip().split("\n"): - txt.append( - urwid.Text(("text", i)), - ) - trailer(len(content), txt, limit) - return "XML-like data", txt - - -class ViewJSON: - name = "JSON" - prompt = ("json", "s") - content_types = ["application/json"] - - def __call__(self, hdrs, content, limit): - lines = utils.pretty_json(content) - if lines: - txt = [] - sofar = 0 - for i in lines: - sofar += len(i) - txt.append( - urwid.Text(("text", i)), - ) - if sofar > limit: - break - trailer(sum(len(i) for i in lines), txt, limit) - return "JSON", txt - - -class ViewHTML: - name = "HTML" - prompt = ("html", "h") - content_types = ["text/html"] - - def __call__(self, hdrs, content, limit): - if utils.isXML(content): - parser = lxml.etree.HTMLParser( - strip_cdata=True, - remove_blank_text=True - ) - d = lxml.html.fromstring(content, parser=parser) - docinfo = d.getroottree().docinfo - s = lxml.etree.tostring( - d, - pretty_print=True, - doctype=docinfo.doctype - ) - return "HTML", _view_text(s[:limit], len(s), limit) - - -class ViewHTMLOutline: - name = "HTML Outline" - prompt = ("html outline", "o") - content_types = ["text/html"] - - def __call__(self, hdrs, content, limit): - content = content.decode("utf-8") - h = html2text.HTML2Text(baseurl="") - h.ignore_images = True - h.body_width = 0 - content = h.handle(content) - txt = _view_text(content[:limit], len(content), limit) - return "HTML Outline", txt - - -class ViewURLEncoded: - name = "URL-encoded" - prompt = ("urlencoded", "u") - content_types = ["application/x-www-form-urlencoded"] - - def __call__(self, hdrs, content, limit): - lines = netlib.utils.urldecode(content) - if lines: - body = common.format_keyvals( - [(k + ":", v) for (k, v) in lines], - key = "header", - val = "text" - ) - return "URLEncoded form", body - - -class ViewMultipart: - name = "Multipart Form" - prompt = ("multipart", "m") - content_types = ["multipart/form-data"] - - def __call__(self, hdrs, content, limit): - v = netlib.utils.multipartdecode(hdrs, content) - if v: - r = [ - urwid.Text(("highlight", "Form data:\n")), - ] - r.extend(common.format_keyvals( - v, - key = "header", - val = "text" - )) - return "Multipart form", r - - -if pyamf: - class DummyObject(dict): - def __init__(self, alias): - dict.__init__(self) - - def __readamf__(self, input): - data = input.readObject() - self["data"] = data - - def pyamf_class_loader(s): - for i in pyamf.CLASS_LOADERS: - if i != pyamf_class_loader: - v = i(s) - if v: - return v - return DummyObject - - pyamf.register_class_loader(pyamf_class_loader) - - class ViewAMF: - name = "AMF" - prompt = ("amf", "f") - content_types = ["application/x-amf"] - - def unpack(self, b, seen=set([])): - if hasattr(b, "body"): - return self.unpack(b.body, seen) - if isinstance(b, DummyObject): - if id(b) in seen: - return "<recursion>" - else: - seen.add(id(b)) - for k, v in b.items(): - b[k] = self.unpack(v, seen) - return b - elif isinstance(b, dict): - for k, v in b.items(): - b[k] = self.unpack(v, seen) - return b - elif isinstance(b, list): - return [self.unpack(i) for i in b] - elif isinstance(b, flex.ArrayCollection): - return [self.unpack(i, seen) for i in b] - else: - return b - - def __call__(self, hdrs, content, limit): - envelope = remoting.decode(content, strict=False) - if not envelope: - return None - - txt = [] - for target, message in iter(envelope): - if isinstance(message, pyamf.remoting.Request): - txt.append(urwid.Text([ - ("header", "Request: "), - ("text", str(target)), - ])) - else: - txt.append(urwid.Text([ - ("header", "Response: "), - ("text", "%s, code %s" % (target, message.status)), - ])) - - s = json.dumps(self.unpack(message), indent=4) - txt.extend(_view_text(s[:limit], len(s), limit)) - - return "AMF v%s" % envelope.amfVersion, txt - - -class ViewJavaScript: - name = "JavaScript" - prompt = ("javascript", "j") - content_types = [ - "application/x-javascript", - "application/javascript", - "text/javascript" - ] - - def __call__(self, hdrs, content, limit): - opts = jsbeautifier.default_options() - opts.indent_size = 2 - res = jsbeautifier.beautify(content[:limit], opts) - return "JavaScript", _view_text(res, len(res), limit) - - -class ViewCSS: - name = "CSS" - prompt = ("css", "c") - content_types = [ - "text/css" - ] - - def __call__(self, hdrs, content, limit): - if cssutils: - sheet = cssutils.parseString(content) - beautified = sheet.cssText - else: - beautified = content - - return "CSS", _view_text(beautified, len(beautified), limit) - - -class ViewImage: - name = "Image" - prompt = ("image", "i") - content_types = [ - "image/png", - "image/jpeg", - "image/gif", - "image/vnd.microsoft.icon", - "image/x-icon", - ] - - def __call__(self, hdrs, content, limit): - try: - img = Image.open(cStringIO.StringIO(content)) - except IOError: - return None - parts = [ - ("Format", str(img.format_description)), - ("Size", "%s x %s px" % img.size), - ("Mode", str(img.mode)), - ] - for i in sorted(img.info.keys()): - if i != "exif": - parts.append( - (str(i), str(img.info[i])) - ) - if hasattr(img, "_getexif"): - ex = img._getexif() - if ex: - for i in sorted(ex.keys()): - tag = TAGS.get(i, i) - parts.append( - (str(tag), str(ex[i])) - ) - clean = [] - for i in parts: - clean.append( - [netlib.utils.cleanBin(i[0]), netlib.utils.cleanBin(i[1])] - ) - fmt = common.format_keyvals( - clean, - key = "header", - val = "text" - ) - return "%s image" % img.format, fmt - - -class ViewProtobuf: - """Human friendly view of protocol buffers - The view uses the protoc compiler to decode the binary - """ - - name = "Protocol Buffer" - prompt = ("protobuf", "p") - content_types = [ - "application/x-protobuf", - "application/x-protobuffer", - ] - - @staticmethod - def is_available(): - try: - p = subprocess.Popen( - ["protoc", "--version"], - stdout=subprocess.PIPE - ) - out, _ = p.communicate() - return out.startswith("libprotoc") - except: - return False - - def decode_protobuf(self, content): - # if Popen raises OSError, it will be caught in - # get_content_view and fall back to Raw - p = subprocess.Popen(['protoc', '--decode_raw'], - stdin=subprocess.PIPE, - stdout=subprocess.PIPE, - stderr=subprocess.PIPE) - out, err = p.communicate(input=content) - if out: - return out - else: - return err - - def __call__(self, hdrs, content, limit): - decoded = self.decode_protobuf(content) - txt = _view_text(decoded[:limit], len(decoded), limit) - return "Protobuf", txt - - -class ViewWBXML: - name = "WBXML" - prompt = ("wbxml", "w") - content_types = [ - "application/vnd.wap.wbxml", - "application/vnd.ms-sync.wbxml" - ] - - def __call__(self, hdrs, content, limit): - - try: - parser = ASCommandResponse(content) - parsedContent = parser.xmlString - txt = _view_text(parsedContent, len(parsedContent), limit) - return "WBXML", txt - except: - return None - -views = [ - ViewAuto(), - ViewRaw(), - ViewHex(), - ViewJSON(), - ViewXML(), - ViewWBXML(), - ViewHTML(), - ViewHTMLOutline(), - ViewJavaScript(), - ViewCSS(), - ViewURLEncoded(), - ViewMultipart(), - ViewImage(), -] -if pyamf: - views.append(ViewAMF()) - -if ViewProtobuf.is_available(): - views.append(ViewProtobuf()) - -content_types_map = {} -for i in views: - for ct in i.content_types: - l = content_types_map.setdefault(ct, []) - l.append(i) - - -view_prompts = [i.prompt for i in views] - - -def get_by_shortcut(c): - for i in views: - if i.prompt[1] == c: - return i - - -def get(name): - for i in views: - if i.name == name: - return i - - -def get_content_view(viewmode, headers, content, limit, is_request): - """ - Returns a (msg, body) tuple. - """ - if not content: - if is_request: - return "No request content (press tab to view response)", "" - else: - return "No content", "" - msg = [] - - enc = headers.get("content-encoding") - if enc and enc != "identity": - decoded = encoding.decode(enc, content) - if decoded: - content = decoded - msg.append("[decoded %s]" % enc) - try: - ret = viewmode(headers, content, limit) - # Third-party viewers can fail in unexpected ways... - except Exception: - s = traceback.format_exc() - s = "Content viewer failed: \n" + s - signals.add_event(s, "error") - ret = None - if not ret: - ret = get("Raw")(headers, content, limit) - msg.append("Couldn't parse: falling back to Raw") - else: - msg.append(ret[0]) - return " ".join(msg), ret[1] |