prosody
ad45612199e0
plugins/mod_http_files.lua

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plugins/mod_http_files.lua @ 5253:ad45612199e0

mod_http_files: Avoid a bunch of table lookups
author Kim Alvefur <zash@zash.se>
date Fri, 21 Dec 2012 08:14:33 +0100
parent 5252:6209b9a0244b
child 5254:df3552822054
comparison
equal deleted inserted replaced
5252:6209b9a0244b 5253:ad45612199e0
55 local attr = stat(full_path); 55 local attr = stat(full_path);
56 if not attr then 56 if not attr then
57 return 404; 57 return 404;
58 end 58 end
59 59
60 local request_headers, response_headers = request.headers, response.headers;
61
60 local last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification); 62 local last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification);
61 response.headers.last_modified = last_modified; 63 response_headers.last_modified = last_modified;
62 64
63 local etag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0); 65 local etag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0);
64 response.headers.etag = etag; 66 response_headers.etag = etag;
65 67
66 if etag == request.headers.if_none_match 68 local if_none_match = request_headers.if_none_match
67 or last_modified == request.headers.if_modified_since then 69 local if_modified_since = request_headers.if_modified_since;
70 if etag == if_none_match
71 or last_modified == if_modified_since then
68 return 304; 72 return 304;
69 end 73 end
70 74
71 local data = cache[path]; 75 local data = cache[path];
72 if data then 76 if data then
73 response.headers.content_type = data.content_type; 77 response_headers.content_type = data.content_type;
74 data = data.data; 78 data = data.data;
75 elseif attr.mode == "directory" then 79 elseif attr.mode == "directory" then
76 if full_path:sub(-1) ~= "/" then 80 if full_path:sub(-1) ~= "/" then
77 response.headers.location = orig_path.."/"; 81 response_headers.location = orig_path.."/";
78 return 301; 82 return 301;
79 end 83 end
80 for i=1,#dir_indices do 84 for i=1,#dir_indices do
81 if stat(full_path..dir_indices[i], "mode") == "file" then 85 if stat(full_path..dir_indices[i], "mode") == "file" then
82 return serve_file(event, path..dir_indices[i]); 86 return serve_file(event, path..dir_indices[i]);
100 :up():up(); 104 :up():up();
101 end 105 end
102 end 106 end
103 data = "<!DOCTYPE html>\n"..tostring(html); 107 data = "<!DOCTYPE html>\n"..tostring(html);
104 cache[path] = { data = data, content_type = mime_map.html; hits = 0 }; 108 cache[path] = { data = data, content_type = mime_map.html; hits = 0 };
105 response.headers.content_type = mime_map.html; 109 response_headers.content_type = mime_map.html;
106 end 110 end
107 111
108 else 112 else
109 local f, err = open(full_path, "rb"); 113 local f, err = open(full_path, "rb");
110 if f then 114 if f then
115 return 403; 119 return 403;
116 end 120 end
117 local ext = path:match("%.([^.]*)$"); 121 local ext = path:match("%.([^.]*)$");
118 local content_type = mime_map[ext]; 122 local content_type = mime_map[ext];
119 cache[path] = { data = data; content_type = content_type; }; 123 cache[path] = { data = data; content_type = content_type; };
120 response.headers.content_type = content_type; 124 response_headers.content_type = content_type;
121 end 125 end
122 126
123 return response:send(data); 127 return response:send(data);
124 end 128 end
125 129