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annotate mod_http_index/mod_http_index.lua @ 1827:9376e870f0e1

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mod_http_index: Move template out into a file and make it configurable
author Kim Alvefur <zash@zash.se>
date Fri, 04 Sep 2015 00:23:46 +0200
parents ae2235d6c3f8
children 7953b7dde6e7
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0d8cc6971cdb mod_http_index: Generates an index of local HTTP apps
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1 local url = require"socket.url";
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2 local render = require"util.interpolation".new("%b{}", require"util.stanza".xml_escape);
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3
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4 module:depends"http";
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5
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6 local base_template;
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7 do
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8 local template_file = module:get_option_string(module.name .. "_template", module.name .. ".html");
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9 template_file = assert(module:load_resource(template_file));
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10 base_template = template_file:read("*a");
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11 template_file:close();
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12 end
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13
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14 local canonical = module:http_url(nil, "/");
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15
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16 local function relative(base, link)
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17 base = url.parse(base);
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18 link = url.parse(link);
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19 for k,v in pairs(base) do
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20 if link[k] == v then
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21 link[k] = nil;
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22 end
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23 end
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24 return url.build(link);
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25 end
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26
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27 local function handler(event)
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28 local host_items = module:get_host_items("http-provider");
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29 local http_apps = {}
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30 for _, item in ipairs(host_items) do
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31 if module.name ~= item._provided_by then
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32 table.insert(http_apps, {
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33 name = item.name;
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34 module = "mod_" .. item._provided_by;
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35 url = relative(canonical, module:http_url(item.name, item.default_path));
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36 });
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37 end
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38 end
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39 event.response.headers.content_type = "text/html";
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40 return render(base_template, {
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41 title = "HTTP Apps";
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42 items = http_apps;
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43 prosody_version = prosody.version;
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44 mod_name = module.name;
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45 canonical = canonical;
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46 });
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47 end
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48
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49 module:provides("http", {
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50 route = {
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51 ["GET /"] = handler;
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52 };
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53 default_path = "/";
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54 });