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1 local st = require "util.stanza"; |
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2 local url = require"socket.url"; |
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3 |
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4 module:depends"http"; |
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5 |
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6 -- local dump = require"util.serialization".new"dump".serialize; |
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7 |
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8 local function template(data) |
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9 --[[ DOC |
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10 Like util.template, but deals with plain text |
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11 Returns a closure that is called with a table of values |
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12 {name} is substituted for values["name"] and is XML escaped |
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13 {name!} is substituted without XML escaping |
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14 {name?} is optional and is replaced with an empty string if no value exists |
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15 ]] |
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16 return function(values) |
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17 return (data:gsub("{([^}]-)(%p?)}", function (name, opt) |
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18 local value = values[name]; |
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19 if value then |
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20 if opt ~= "!" then |
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21 return st.xml_escape(value); |
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22 end |
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23 return value; |
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24 elseif opt == "?" then |
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25 return ""; |
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26 end |
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27 end)); |
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28 end |
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29 end |
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30 |
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31 -- TODO Move templates into files |
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32 local base = template(template[[ |
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33 <!DOCTYPE html> |
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34 <html> |
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35 <head> |
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36 <meta charset="utf-8"> |
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37 <meta name="viewport" content="width=device-width, initial-scale=1"> |
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38 <meta name="generator" value="prosody/{prosody_version} mod_{mod_name}"> |
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39 <link rel="canonical" href="{canonical}"> |
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40 <title>{title}</title> |
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41 <style> |
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42 body{background-color:#eeeeec;margin:1ex 0;padding-bottom:3em;font-family:Arial,Helvetica,sans-serif;} |
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43 header,footer{margin:1ex 1em;} |
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44 footer{font-size:smaller;color:#babdb6;} |
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45 .content{background-color:white;padding:1em;list-style-position:inside;} |
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46 nav{font-size:large;margin:1ex 1ex;clear:both;line-height:1.5em;} |
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47 nav a{padding: 1ex;text-decoration:none;} |
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48 nav a[rel="up"]{font-size:smaller;} |
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49 nav a[rel="prev"]{float:left;} |
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50 nav a[rel="next"]{float:right;} |
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51 nav a[rel="next::after"]{content:" →";} |
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52 nav a[rel="prev::before"]{content:"← ";} |
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53 nav a:empty::after,nav a:empty::before{content:""} |
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54 @media screen and (min-width: 460px) { |
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55 nav{font-size:x-large;margin:1ex 1em;} |
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56 } |
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57 a:link,a:visited{color:#2e3436;text-decoration:none;} |
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58 a:link:hover,a:visited:hover{color:#3465a4;} |
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59 ul,ol{padding:0;} |
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60 li{list-style:none;} |
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61 hr{visibility:hidden;clear:both;} |
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62 br{clear:both;} |
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63 li time{float:right;font-size:small;opacity:0.2;} |
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64 li:hover time{opacity:1;} |
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65 .room-list .description{font-size:smaller;} |
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66 q.body::before,q.body::after{content:"";} |
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67 .presence .verb{font-style:normal;color:#30c030;} |
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68 .presence.unavailable .verb{color:#c03030;} |
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69 </style> |
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70 </head> |
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71 <body> |
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72 <header> |
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73 <h1>{title}</h1> |
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74 {header!} |
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75 </header> |
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76 <hr> |
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77 <div class="content"> |
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78 {body!} |
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79 </div> |
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80 <hr> |
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81 <footer> |
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82 {footer!} |
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83 <br> |
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84 <div class="powered-by">Prosody {prosody_version?}</div> |
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85 </footer> |
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86 </body> |
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87 </html> |
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88 ]] { prosody_version = prosody.version, mod_name = module.name }); |
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89 |
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90 local canonical = module:http_url(nil, "/"); |
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91 local page_template = template(base{ |
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92 canonical = canonical; |
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93 title = "HTTP stuff"; |
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94 header = ""; |
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95 body = [[ |
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96 <nav> |
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97 <ul> |
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98 {lines!} |
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99 </ul> |
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100 </nav> |
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101 ]]; |
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102 footer = ""; |
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103 }); |
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104 local line_template = template[[ |
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105 <li><a href="{url}" title="{module}">{name}</a></li> |
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106 ]]; |
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107 |
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108 local function relative(base, link) |
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109 base = url.parse(base); |
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110 link = url.parse(link); |
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111 for k,v in pairs(base) do |
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112 if link[k] == v then |
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113 link[k] = nil; |
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114 end |
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115 end |
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116 return url.build(link); |
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117 end |
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118 |
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119 local function handler(event) |
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120 local items = module:get_host_items("http-provider"); |
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121 local item; |
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122 for i = 1, #items do |
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123 item = items[i]; |
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124 if module.name ~= item._provided_by then |
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125 items[i] = line_template{ |
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126 name = item.name; |
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127 module = "mod_" .. item._provided_by; |
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128 url = relative(canonical, module:http_url(item.name, item.default_path)); |
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129 }; |
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130 else |
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131 items[i] = ""; |
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132 end |
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133 end |
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134 event.response.headers.content_type = "text/html"; |
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135 return page_template{ |
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136 lines = table.concat(items); |
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137 }; |
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138 end |
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139 |
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140 module:provides("http", { |
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141 route = { |
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142 ["GET /"] = handler; |
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143 }; |
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144 default_path = "/"; |
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145 }); |