1
2
3
4local next = next
5local lower = string.lower
6local concat = table.concat
7
8local socket = socket or require("socket")
9
10local headers = { }
11socket.headers = headers
12
13local canonic = {
14 ["accept"] = "Accept",
15 ["accept-charset"] = "Accept-Charset",
16 ["accept-encoding"] = "Accept-Encoding",
17 ["accept-language"] = "Accept-Language",
18 ["accept-ranges"] = "Accept-Ranges",
19 ["action"] = "Action",
20 ["alternate-recipient"] = "Alternate-Recipient",
21 ["age"] = "Age",
22 ["allow"] = "Allow",
23 ["arrival-date"] = "Arrival-Date",
24 ["authorization"] = "Authorization",
25 ["bcc"] = "Bcc",
26 ["cache-control"] = "Cache-Control",
27 ["cc"] = "Cc",
28 ["comments"] = "Comments",
29 ["connection"] = "Connection",
30 ["content-description"] = "Content-Description",
31 ["content-disposition"] = "Content-Disposition",
32 ["content-encoding"] = "Content-Encoding",
33 ["content-id"] = "Content-ID",
34 ["content-language"] = "Content-Language",
35 ["content-length"] = "Content-Length",
36 ["content-location"] = "Content-Location",
37 ["content-md5"] = "Content-MD5",
38 ["content-range"] = "Content-Range",
39 ["content-transfer-encoding"] = "Content-Transfer-Encoding",
40 ["content-type"] = "Content-Type",
41 ["cookie"] = "Cookie",
42 ["date"] = "Date",
43 ["diagnostic-code"] = "Diagnostic-Code",
44 ["dsn-gateway"] = "DSN-Gateway",
45 ["etag"] = "ETag",
46 ["expect"] = "Expect",
47 ["expires"] = "Expires",
48 ["final-log-id"] = "Final-Log-ID",
49 ["final-recipient"] = "Final-Recipient",
50 ["from"] = "From",
51 ["host"] = "Host",
52 ["if-match"] = "If-Match",
53 ["if-modified-since"] = "If-Modified-Since",
54 ["if-none-match"] = "If-None-Match",
55 ["if-range"] = "If-Range",
56 ["if-unmodified-since"] = "If-Unmodified-Since",
57 ["in-reply-to"] = "In-Reply-To",
58 ["keywords"] = "Keywords",
59 ["last-attempt-date"] = "Last-Attempt-Date",
60 ["last-modified"] = "Last-Modified",
61 ["location"] = "Location",
62 ["max-forwards"] = "Max-Forwards",
63 ["message-id"] = "Message-ID",
64 ["mime-version"] = "MIME-Version",
65 ["original-envelope-id"] = "Original-Envelope-ID",
66 ["original-recipient"] = "Original-Recipient",
67 ["pragma"] = "Pragma",
68 ["proxy-authenticate"] = "Proxy-Authenticate",
69 ["proxy-authorization"] = "Proxy-Authorization",
70 ["range"] = "Range",
71 ["received"] = "Received",
72 ["received-from-mta"] = "Received-From-MTA",
73 ["references"] = "References",
74 ["referer"] = "Referer",
75 ["remote-mta"] = "Remote-MTA",
76 ["reply-to"] = "Reply-To",
77 ["reporting-mta"] = "Reporting-MTA",
78 ["resent-bcc"] = "Resent-Bcc",
79 ["resent-cc"] = "Resent-Cc",
80 ["resent-date"] = "Resent-Date",
81 ["resent-from"] = "Resent-From",
82 ["resent-message-id"] = "Resent-Message-ID",
83 ["resent-reply-to"] = "Resent-Reply-To",
84 ["resent-sender"] = "Resent-Sender",
85 ["resent-to"] = "Resent-To",
86 ["retry-after"] = "Retry-After",
87 ["return-path"] = "Return-Path",
88 ["sender"] = "Sender",
89 ["server"] = "Server",
90 ["smtp-remote-recipient"] = "SMTP-Remote-Recipient",
91 ["status"] = "Status",
92 ["subject"] = "Subject",
93 ["te"] = "TE",
94 ["to"] = "To",
95 ["trailer"] = "Trailer",
96 ["transfer-encoding"] = "Transfer-Encoding",
97 ["upgrade"] = "Upgrade",
98 ["user-agent"] = "User-Agent",
99 ["vary"] = "Vary",
100 ["via"] = "Via",
101 ["warning"] = "Warning",
102 ["will-retry-until"] = "Will-Retry-Until",
103 ["www-authenticate"] = "WWW-Authenticate",
104 ["x-mailer"] = "X-Mailer",
105}
106
107headers.canonic = setmetatable(canonic, {
108 __index = function(t,k)
109 socket.report("invalid header: %s",k)
110 t[k] = k
111 return k
112 end
113})
114
115function headers.normalize(headers)
116 if not headers then
117 return { }
118 end
119 local normalized = { }
120 for k, v in next, headers do
121 normalized[#normalized+1] = canonic[k] .. ": " .. v
122 end
123 normalized[#normalized+1] = ""
124 normalized[#normalized+1] = ""
125 return concat(normalized,"\r\n")
126end
127
128function headers.lower(lowered,headers)
129 if not lowered then
130 return { }
131 end
132 if not headers then
133 lowered, headers = { }, lowered
134 end
135 for k, v in next, headers do
136 lowered[lower(k)] = v
137 end
138 return lowered
139end
140
141socket.headers = headers
142
143package.loaded["socket.headers"] = headers
144
145return headers
146 |
