Commit | Line | Data |
---|---|---|
173e0e9e | 1 | #!/usr/bin/python |
c270f222 | 2 | |
8f410ce7 FT |
3 | import sys, os, getopt, socket, logging, time |
4 | import ashd.util, ashd.serve | |
d5ee5cde FT |
5 | try: |
6 | import pdm.srv | |
7 | except: | |
8 | pdm = None | |
c270f222 FT |
9 | |
10 | def usage(out): | |
31466b18 | 11 | out.write("usage: ashd-wsgi [-hAL] [-m PDM-SPEC] [-p MODPATH] [-t REQUEST-HANDLER[:PAR[=VAL](,PAR[=VAL])...]] HANDLER-MODULE [ARGS...]\n") |
c270f222 | 12 | |
8f410ce7 | 13 | hspec = "free", {} |
c270f222 | 14 | modwsgi_compat = False |
14640dcc | 15 | setlog = True |
8f410ce7 | 16 | opts, args = getopt.getopt(sys.argv[1:], "+hALp:t:l:m:") |
c270f222 FT |
17 | for o, a in opts: |
18 | if o == "-h": | |
19 | usage(sys.stdout) | |
20 | sys.exit(0) | |
21 | elif o == "-p": | |
22 | sys.path.insert(0, a) | |
14640dcc FT |
23 | elif o == "-L": |
24 | setlog = False | |
c270f222 FT |
25 | elif o == "-A": |
26 | modwsgi_compat = True | |
3e11d7ed | 27 | elif o == "-l": |
8f410ce7 FT |
28 | hspec = "free", {"max": a, "abort": "10"} |
29 | elif o == "-t": | |
30 | hspec = ashd.serve.parsehspec(a) | |
d5ee5cde FT |
31 | elif o == "-m": |
32 | if pdm is not None: | |
33 | pdm.srv.listen(a) | |
c270f222 FT |
34 | if len(args) < 1: |
35 | usage(sys.stderr) | |
36 | sys.exit(1) | |
14640dcc FT |
37 | if setlog: |
38 | logging.basicConfig(format="ashd-wsgi(%(name)s): %(levelname)s: %(message)s") | |
64a8cd9f | 39 | log = logging.getLogger("ashd-wsgi") |
c270f222 FT |
40 | |
41 | try: | |
42 | handlermod = __import__(args[0], fromlist = ["dummy"]) | |
173e0e9e FT |
43 | except ImportError, exc: |
44 | sys.stderr.write("ashd-wsgi: handler %s not found: %s\n" % (args[0], exc.message)) | |
c270f222 FT |
45 | sys.exit(1) |
46 | if not modwsgi_compat: | |
47 | if not hasattr(handlermod, "wmain"): | |
48 | sys.stderr.write("ashd-wsgi: handler %s has no `wmain' function\n" % args[0]) | |
49 | sys.exit(1) | |
adb11d5f | 50 | handler = handlermod.wmain(*args[1:]) |
c270f222 FT |
51 | else: |
52 | if not hasattr(handlermod, "application"): | |
53 | sys.stderr.write("ashd-wsgi: handler %s has no `application' object\n" % args[0]) | |
54 | sys.exit(1) | |
55 | handler = handlermod.application | |
56 | ||
70d942a7 FT |
57 | cwd = os.getcwd() |
58 | def absolutify(path): | |
59 | if path[0] != '/': | |
60 | return os.path.join(cwd, path) | |
61 | return path | |
62 | ||
09c82f9c | 63 | def unquoteurl(url): |
173e0e9e | 64 | buf = "" |
09c82f9c FT |
65 | i = 0 |
66 | while i < len(url): | |
67 | c = url[i] | |
68 | i += 1 | |
173e0e9e | 69 | if c == '%': |
370d235f | 70 | if len(url) >= i + 2: |
09c82f9c | 71 | c = 0 |
173e0e9e FT |
72 | if '0' <= url[i] <= '9': |
73 | c |= (ord(url[i]) - ord('0')) << 4 | |
74 | elif 'a' <= url[i] <= 'f': | |
75 | c |= (ord(url[i]) - ord('a') + 10) << 4 | |
76 | elif 'A' <= url[i] <= 'F': | |
77 | c |= (ord(url[i]) - ord('A') + 10) << 4 | |
09c82f9c FT |
78 | else: |
79 | raise ValueError("Illegal URL escape character") | |
173e0e9e FT |
80 | if '0' <= url[i + 1] <= '9': |
81 | c |= ord(url[i + 1]) - ord('0') | |
82 | elif 'a' <= url[i + 1] <= 'f': | |
83 | c |= ord(url[i + 1]) - ord('a') + 10 | |
84 | elif 'A' <= url[i + 1] <= 'F': | |
85 | c |= ord(url[i + 1]) - ord('A') + 10 | |
09c82f9c FT |
86 | else: |
87 | raise ValueError("Illegal URL escape character") | |
173e0e9e | 88 | buf += chr(c) |
09c82f9c FT |
89 | i += 2 |
90 | else: | |
91 | raise ValueError("Incomplete URL escape character") | |
92 | else: | |
173e0e9e | 93 | buf += c |
09c82f9c | 94 | return buf |
81a0ca30 | 95 | |
761e7292 | 96 | def mkenv(req): |
c270f222 FT |
97 | env = {} |
98 | env["wsgi.version"] = 1, 0 | |
99 | for key, val in req.headers: | |
173e0e9e | 100 | env["HTTP_" + key.upper().replace("-", "_")] = val |
c270f222 FT |
101 | env["SERVER_SOFTWARE"] = "ashd-wsgi/1" |
102 | env["GATEWAY_INTERFACE"] = "CGI/1.1" | |
173e0e9e FT |
103 | env["SERVER_PROTOCOL"] = req.ver |
104 | env["REQUEST_METHOD"] = req.method | |
105 | env["REQUEST_URI"] = req.url | |
106 | name = req.url | |
c270f222 FT |
107 | p = name.find('?') |
108 | if p >= 0: | |
c270f222 | 109 | env["QUERY_STRING"] = name[p + 1:] |
8498ab28 | 110 | name = name[:p] |
c270f222 FT |
111 | else: |
112 | env["QUERY_STRING"] = "" | |
173e0e9e | 113 | if name[-len(req.rest):] == req.rest: |
53d666ca | 114 | # This is the same hack used in call*cgi. |
173e0e9e FT |
115 | name = name[:-len(req.rest)] |
116 | try: | |
117 | pi = unquoteurl(req.rest) | |
118 | except: | |
119 | pi = req.rest | |
120 | if name == '/': | |
53d666ca FT |
121 | # This seems to be normal CGI behavior, but see callcgi.c for |
122 | # details. | |
123 | pi = "/" + pi | |
124 | name = "" | |
c270f222 | 125 | env["SCRIPT_NAME"] = name |
53d666ca | 126 | env["PATH_INFO"] = pi |
173e0e9e | 127 | if "Host" in req: env["SERVER_NAME"] = req["Host"] |
1af656d2 | 128 | if "X-Ash-Server-Address" in req: env["SERVER_ADDR"] = req["X-Ash-Server-Address"] |
173e0e9e FT |
129 | if "X-Ash-Server-Port" in req: env["SERVER_PORT"] = req["X-Ash-Server-Port"] |
130 | if "X-Ash-Protocol" in req and req["X-Ash-Protocol"] == "https": env["HTTPS"] = "on" | |
131 | if "X-Ash-Address" in req: env["REMOTE_ADDR"] = req["X-Ash-Address"] | |
1af656d2 | 132 | if "X-Ash-Port" in req: env["REMOTE_PORT"] = req["X-Ash-Port"] |
0bf0720d FT |
133 | if "Content-Type" in req: |
134 | env["CONTENT_TYPE"] = req["Content-Type"] | |
135 | # The CGI specification does not strictly require this, but | |
136 | # many actualy programs and libraries seem to. | |
137 | del env["HTTP_CONTENT_TYPE"] | |
138 | if "Content-Length" in req: | |
139 | env["CONTENT_LENGTH"] = req["Content-Length"] | |
75c134b6 | 140 | del env["HTTP_CONTENT_LENGTH"] |
173e0e9e FT |
141 | if "X-Ash-File" in req: env["SCRIPT_FILENAME"] = absolutify(req["X-Ash-File"]) |
142 | if "X-Ash-Protocol" in req: env["wsgi.url_scheme"] = req["X-Ash-Protocol"] | |
c270f222 FT |
143 | env["wsgi.input"] = req.sk |
144 | env["wsgi.errors"] = sys.stderr | |
145 | env["wsgi.multithread"] = True | |
146 | env["wsgi.multiprocess"] = False | |
147 | env["wsgi.run_once"] = False | |
761e7292 | 148 | return env |
c270f222 | 149 | |
8f410ce7 FT |
150 | class request(ashd.serve.wsgirequest): |
151 | def __init__(self, bkreq, **kw): | |
152 | super(request, self).__init__(**kw) | |
153 | self.bkreq = bkreq.dup() | |
154 | ||
155 | def mkenv(self): | |
156 | return mkenv(self.bkreq) | |
c270f222 | 157 | |
8f410ce7 FT |
158 | def handlewsgi(self, env, startreq): |
159 | return handler(env, startreq) | |
160 | ||
161 | def fileno(self): | |
162 | return self.bkreq.bsk.fileno() | |
699754de | 163 | |
761e7292 | 164 | def writehead(self, status, headers): |
8f410ce7 FT |
165 | w = self.buffer.extend |
166 | w("HTTP/1.1 %s\n" % status) | |
167 | for nm, val in headers: | |
168 | w("%s: %s\n" % (nm, val)) | |
169 | w("\n") | |
c270f222 | 170 | |
8f410ce7 | 171 | def flush(self): |
8bb0e3c1 | 172 | try: |
8f410ce7 FT |
173 | ret = self.bkreq.bsk.send(self.buffer, socket.MSG_DONTWAIT) |
174 | self.buffer[:ret] = "" | |
761e7292 FT |
175 | except IOError: |
176 | raise ashd.serve.closed() | |
c270f222 | 177 | |
8f410ce7 FT |
178 | def close(self): |
179 | self.bkreq.close() | |
180 | ||
c270f222 | 181 | def handle(req): |
8f410ce7 | 182 | reqhandler.handle(request(bkreq=req, handler=reqhandler)) |
c270f222 | 183 | |
8f410ce7 FT |
184 | if hspec[0] not in ashd.serve.names: |
185 | sys.stderr.write("ashd-wsgi: no such request handler: %s\n" % hspec[0]) | |
186 | sys.exit(1) | |
187 | hclass = ashd.serve.names[hspec[0]] | |
188 | try: | |
189 | hargs = hclass.parseargs(**hspec[1]) | |
190 | except ValueError as exc: | |
191 | sys.stderr.write("ashd-wsgi: %s\n" % exc) | |
192 | sys.exit(1) | |
193 | ||
194 | reqhandler = hclass(**hargs) | |
195 | try: | |
196 | ashd.util.serveloop(handle) | |
197 | finally: | |
198 | reqhandler.close() |