mitmproxy -> libmproxy.main. do some leanup on the way

libmproxy/main.py

@@ -0,0 +1,165 @@
+from __future__ import print_function, absolute_import
+import argparse
+import os
+import signal
+import sys
+import netlib.version
+from . import version, cmdline
+from .proxy import process_proxy_options, ProxyServerError
+from .proxy.server import DummyServer, ProxyServer
+
+
+def check_versions():
+    """
+    Having installed a wrong version of pyOpenSSL or netlib is unfortunately a very common source of error.
+    Check before every start that both versions are somewhat okay.
+    """
+    # We don't introduce backward-incompatible changes in patch versions. Only consider major and minor version.
+    if netlib.version.IVERSION[:2] != version.IVERSION[:2]:
+        print(
+            "Warning: You are using mitmdump %s with netlib %s. "
+            "Most likely, that doesn't work - please upgrade!" % (version.VERSION, netlib.version.VERSION),
+            file=sys.stderr)
+    import OpenSSL, inspect
+
+    v = [int(x) for x in OpenSSL.__version__.split(".")][:2]
+    if v < (0, 14):
+        print("You are using an outdated version of pyOpenSSL: mitmproxy requires pyOpenSSL 0.14 or greater.",
+              file=sys.stderr)
+        # Some users apparently have multiple versions of pyOpenSSL installed. Report which one we got.
+        pyopenssl_path = os.path.dirname(inspect.getfile(OpenSSL))
+        print("Your pyOpenSSL %s installation is located at %s" % (OpenSSL.__version__, pyopenssl_path),
+              file=sys.stderr)
+        sys.exit(1)
+
+
+def assert_utf8_env():
+    spec = ""
+    for i in ["LANG", "LC_CTYPE", "LC_ALL"]:
+        spec += os.environ.get(i, "").lower()
+    if "utf" not in spec:
+        print("Error: mitmproxy requires a UTF console environment.", file=sys.stderr)
+        print("Set your LANG enviroment variable to something like en_US.UTF-8", file=sys.stderr)
+        sys.exit(1)
+
+
+def get_server(dummy_server, options):
+    if dummy_server:
+        return DummyServer(options)
+    else:
+        try:
+            return ProxyServer(options)
+        except ProxyServerError, v:
+            print(str(v), file=sys.stderr)
+            sys.exit(1)
+
+
+def mitmproxy_cmdline():
+    # Don't import libmproxy.console for mitmdump, urwid is not available on all platforms.
+    from . import console
+    from .console import palettes
+
+    parser = argparse.ArgumentParser(usage="%(prog)s [options]")
+    parser.add_argument('--version', action='version', version=version.NAMEVERSION)
+    cmdline.common_options(parser)
+    parser.add_argument(
+        "--palette", type=str, default="dark",
+        action="store", dest="palette",
+        help="Select color palette: " + ", ".join(palettes.palettes.keys())
+    )
+    parser.add_argument(
+        "-e",
+        action="store_true", dest="eventlog",
+        help="Show event log."
+    )
+    group = parser.add_argument_group(
+        "Filters",
+        "See help in mitmproxy for filter expression syntax."
+    )
+    group.add_argument(
+        "-i", "--intercept", action="store",
+        type=str, dest="intercept", default=None,
+        help="Intercept filter expression."
+    )
+
+    options = parser.parse_args()
+    if options.quiet:
+        options.verbose = 0
+
+    proxy_config = process_proxy_options(parser, options)
+    console_options = console.Options(**cmdline.get_common_options(options))
+    console_options.palette = options.palette
+    console_options.eventlog = options.eventlog
+    console_options.intercept = options.intercept
+
+    return console_options, proxy_config
+
+
+def mitmproxy():  # pragma: nocover
+    from . import console
+
+    check_versions()
+    assert_utf8_env()
+    console_options, proxy_config = mitmproxy_cmdline()
+    server = get_server(console_options.no_server, proxy_config)
+
+    m = console.ConsoleMaster(server, console_options)
+    try:
+        m.run()
+    except KeyboardInterrupt:
+        pass
+
+
+def mitmdump_cmdline():
+    from . import dump
+
+    parser = argparse.ArgumentParser(usage="%(prog)s [options] [filter]")
+    parser.add_argument('--version', action='version', version="mitmdump" + " " + version.VERSION)
+    cmdline.common_options(parser)
+    parser.add_argument(
+        "--keepserving",
+        action="store_true", dest="keepserving", default=False,
+        help="Continue serving after client playback or file read. We exit by default."
+    )
+    parser.add_argument(
+        "-d",
+        action="count", dest="flow_detail", default=1,
+        help="Increase flow detail display level. Can be passed multiple times."
+    )
+    parser.add_argument('args', nargs=argparse.REMAINDER)
+
+    options = parser.parse_args()
+    if options.quiet:
+        options.verbose = 0
+        options.flow_detail = 0
+
+    proxy_config = process_proxy_options(parser, options)
+    dump_options = dump.Options(**cmdline.get_common_options(options))
+    dump_options.flow_detail = options.flow_detail
+    dump_options.keepserving = options.keepserving
+    dump_options.filtstr = " ".join(options.args) if options.args else None
+
+    return dump_options, proxy_config
+
+
+def mitmdump():  # pragma: nocover
+    from . import dump
+
+    check_versions()
+    dump_options, proxy_config = mitmdump_cmdline()
+    server = get_server(dump_options.no_server, proxy_config)
+
+    try:
+        master = dump.DumpMaster(server, dump_options)
+
+        def cleankill(*args, **kwargs):
+            master.shutdown()
+
+        signal.signal(signal.SIGTERM, cleankill)
+        master.run()
+    except dump.DumpError as e:
+        print("mitmdump: %s" % e, file=sys.stderr)
+        sys.exit(1)
+    except KeyboardInterrupt:
+        pass
+