prosody-modules
1b5c817cb642
mod_http_index/mod_http_index.lua

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mod_http_index/mod_http_index.lua @ 1825:1b5c817cb642

mod_http_index: Update to use util.interpolation (makes it depend on 0.10+)
author Kim Alvefur <zash@zash.se>
date Fri, 04 Sep 2015 00:10:51 +0200
parent 1573:0d8cc6971cdb
child 1826:ae2235d6c3f8
comparison
equal deleted inserted replaced
1824:8435e1766054 1825:1b5c817cb642
1 local st = require "util.stanza";
2 local url = require"socket.url"; 1 local url = require"socket.url";
2 local render = require"util.interpolation".new("%b{}", require"util.stanza".xml_escape);
3 3
4 module:depends"http"; 4 module:depends"http";
5 5
6 -- local dump = require"util.serialization".new"dump".serialize;
7
8 local function template(data)
9 --[[ DOC
10 Like util.template, but deals with plain text
11 Returns a closure that is called with a table of values
12 {name} is substituted for values["name"] and is XML escaped
13 {name!} is substituted without XML escaping
14 {name?} is optional and is replaced with an empty string if no value exists
15 ]]
16 return function(values)
17 return (data:gsub("{([^}]-)(%p?)}", function (name, opt)
18 local value = values[name];
19 if value then
20 if opt ~= "!" then
21 return st.xml_escape(value);
22 end
23 return value;
24 elseif opt == "?" then
25 return "";
26 end
27 end));
28 end
29 end
30
31 -- TODO Move templates into files 6 -- TODO Move templates into files
32 local base = template(template[[ 7 local base_template = [[
33 <!DOCTYPE html> 8 <!DOCTYPE html>
34 <html> 9 <html>
35 <head> 10 <head>
36 <meta charset="utf-8"> 11 <meta charset="utf-8">
37 <meta name="viewport" content="width=device-width, initial-scale=1"> 12 <meta name="viewport" content="width=device-width, initial-scale=1">
69 </style> 44 </style>
70 </head> 45 </head>
71 <body> 46 <body>
72 <header> 47 <header>
73 <h1>{title}</h1> 48 <h1>{title}</h1>
74 {header!}
75 </header> 49 </header>
76 <hr> 50 <hr>
77 <div class="content"> 51 <div class="content">
78 {body!} 52 <nav>
53 <ul>{items#
54 <li><a href="{item.url}" title="{item.module}">{item.name}</a></li>}
55 </ul>
56 </nav>
79 </div> 57 </div>
80 <hr> 58 <hr>
81 <footer> 59 <footer>
82 {footer!}
83 <br> 60 <br>
84 <div class="powered-by">Prosody {prosody_version?}</div> 61 <div class="powered-by">Prosody {prosody_version?}</div>
85 </footer> 62 </footer>
86 </body> 63 </body>
87 </html> 64 </html>
88 ]] { prosody_version = prosody.version, mod_name = module.name }); 65 ]];
89 66
90 local canonical = module:http_url(nil, "/"); 67 local canonical = module:http_url(nil, "/");
91 local page_template = template(base{
92 canonical = canonical;
93 title = "HTTP stuff";
94 header = "";
95 body = [[
96 <nav>
97 <ul>
98 {lines!}
99 </ul>
100 </nav>
101 ]];
102 footer = "";
103 });
104 local line_template = template[[
105 <li><a href="{url}" title="{module}">{name}</a></li>
106 ]];
107 68
108 local function relative(base, link) 69 local function relative(base, link)
109 base = url.parse(base); 70 base = url.parse(base);
110 link = url.parse(link); 71 link = url.parse(link);
111 for k,v in pairs(base) do 72 for k,v in pairs(base) do
115 end 76 end
116 return url.build(link); 77 return url.build(link);
117 end 78 end
118 79
119 local function handler(event) 80 local function handler(event)
120 local items = module:get_host_items("http-provider"); 81 local host_items = module:get_host_items("http-provider");
121 local item; 82 local http_apps = {}
122 for i = 1, #items do 83 for _, item in ipairs(host_items) do
123 item = items[i];
124 if module.name ~= item._provided_by then 84 if module.name ~= item._provided_by then
125 items[i] = line_template{ 85 table.insert(http_apps, {
126 name = item.name; 86 name = item.name;
127 module = "mod_" .. item._provided_by; 87 module = "mod_" .. item._provided_by;
128 url = relative(canonical, module:http_url(item.name, item.default_path)); 88 url = relative(canonical, module:http_url(item.name, item.default_path));
129 }; 89 });
130 else
131 items[i] = "";
132 end 90 end
133 end 91 end
134 event.response.headers.content_type = "text/html"; 92 event.response.headers.content_type = "text/html";
135 return page_template{ 93 return render(base_template, {
136 lines = table.concat(items); 94 title = "HTTP Apps";
137 }; 95 items = http_apps;
96 prosody_version = prosody.version;
97 mod_name = module.name;
98 canonical = canonical;
99 });
138 end 100 end
139 101
140 module:provides("http", { 102 module:provides("http", {
141 route = { 103 route = {
142 ["GET /"] = handler; 104 ["GET /"] = handler;