Mercurial > prosody-modules

annotate mod_pubsub_feeds/mod_pubsub_feeds.lua @ 1268:854a3933cfcd

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mod_muc_log_http: URL-encode room names. This allows special characters in room names to work. Ideally this escaping shouldn’t be done in the user visible content, but the module’s template system doesn’t currently allow that.
author Waqas Hussain <waqas20@gmail.com>
date Sat, 04 Jan 2014 16:50:57 -0500
parents 04cf0b75fe2a
children 853a382c9bd6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -- Fetches Atom feeds and publishes to PubSub nodes
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2 --
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3 -- Depends: http://code.matthewwild.co.uk/lua-feeds
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4 --
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5 -- Config:
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6 -- Component "pubsub.example.com" "pubsub"
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7 -- modules_enabled = {
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8 -- "pubsub_feeds";
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9 -- }
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10 -- feeds = { -- node -> url
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11 -- prosody_blog = "http://blog.prosody.im/feed/atom.xml";
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12 -- }
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13 -- feed_pull_interval = 20 -- minutes
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14 --
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15 -- Reference
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16 -- http://pubsubhubbub.googlecode.com/svn/trunk/pubsubhubbub-core-0.3.html
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17
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18 local pubsub = module:depends"pubsub";
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19
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20 local date, time = os.date, os.time;
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21 local dt_parse, dt_datetime = require "util.datetime".parse, require "util.datetime".datetime;
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433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
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22 local uuid = require "util.uuid".generate;
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23 local hmac_sha1 = require "util.hashes".hmac_sha1;
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24 local parse_feed = require "feeds".feed_from_string;
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25 local st = require "util.stanza";
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26 --local dump = require"util.serialization".serialize;
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27
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28 local xmlns_atom = "http://www.w3.org/2005/Atom";
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29
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30 local use_pubsubhubub = module:get_option_boolean("use_pubsubhubub", true);
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31 if use_pubsubhubub then
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32 module:depends"http";
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33 end
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34
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35 local http = require "net.http";
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36 local formdecode = http.formdecode;
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37 local formencode = http.formencode;
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38 local urldecode = http.urldecode;
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39 local urlencode = http.urlencode;
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40
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41 local feed_list = module:shared("feed_list");
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42 local refresh_interval;
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43
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44 function module.load()
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45 local config = module:get_option("feeds") or {
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46 planet_jabber = "http://planet.jabber.org/atom.xml";
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47 prosody_blog = "http://blog.prosody.im/feed/atom.xml";
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48 };
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49 refresh_interval = module:get_option_number("feed_pull_interval", 15) * 60;
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50 local ok, nodes = pubsub.service:get_nodes(true);
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51 if not ok then nodes = {}; end
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52 local new_feed_list = {};
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53 for node, url in pairs(config) do
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54 if type(node) == "number" then
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55 node = url;
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56 end
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57 new_feed_list[node] = true;
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58 if not feed_list[node] then
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59 feed_list[node] = { url = url; node = node; last_update = 0 };
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60 else
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61 feed_list[node].url = url;
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62 end
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63 if not nodes[node] then
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64 feed_list[node].last_update = 0;
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65 end
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66 end
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67 for node in pairs(feed_list) do
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68 if not new_feed_list[node] then
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69 feed_list[node] = nil;
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70 end
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71 end
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72 end
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73
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74 function update_entry(item)
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75 local node = item.node;
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76 module:log("debug", "parsing %d bytes of data in node %s", #item.data or 0, node)
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77 local feed = parse_feed(item.data);
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78 for _, entry in ipairs(feed) do
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79 entry.attr.xmlns = xmlns_atom;
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80
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81 local e_published = entry:get_child_text("published");
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82 e_published = e_published and dt_parse(e_published);
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83 local e_updated = entry:get_child_text("updated");
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84 e_updated = e_updated and dt_parse(e_updated);
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85
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86 local timestamp = e_updated or e_published or nil;
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87 --module:log("debug", "timestamp is %s, item.last_update is %s", tostring(timestamp), tostring(item.last_update));
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88 if not timestamp or not item.last_update or timestamp > item.last_update then
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89 local id = entry:get_child_text("id");
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90 id = id or item.url.."#"..dt_datetime(timestamp); -- Missing id, so make one up
322
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91 local xitem = st.stanza("item", { id = id }):add_child(entry);
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92 -- TODO Put data from /feed into item/source
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93
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94 --module:log("debug", "publishing to %s, id %s", node, id);
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95 local ok, err = pubsub.service:publish(node, true, id, xitem);
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96 if not ok then
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97 if err == "item-not-found" then -- try again
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98 --module:log("debug", "got item-not-found, creating %s and trying again", node);
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99 local ok, err = pubsub.service:create(node, true);
322
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100 if not ok then
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101 module:log("error", "could not create node %s: %s", node, err);
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102 return;
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103 end
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104 local ok, err = pubsub.service:publish(node, true, id, xitem);
322
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105 if not ok then
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106 module:log("error", "could not create or publish node %s: %s", node, err);
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107 return
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108 end
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109 else
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110 module:log("error", "publishing %s failed: %s", node, err);
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111 end
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112 end
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113 end
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114 end
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115
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116 if use_pubsubhubub and not item.subscription then
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117 --module:log("debug", "check if %s has a hub", item.node);
322
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118 local hub = feed.links and feed.links.hub;
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119 if hub then
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120 item.hub = hub;
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121 module:log("debug", "%s has a hub: %s", item.node, item.hub);
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122 subscribe(item);
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123 end
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Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
124 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
125 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
126
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
127 function fetch(item, callback) -- HTTP Pull
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
128 local headers = { };
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
129 if item.data and item.last_update then
400
f42fe4229f8a mod_pubsub_feed: Fix timestamp on Windows, which has no %T
Kim Alvefur <zash@zash.se>
parents: 325
diff changeset
130 headers["If-Modified-Since"] = date("!%a, %d %b %Y %H:%M:%S %Z", item.last_update);
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 end
983
ac9bf3fcbcfe mod_pubsub_feeds, mod_sms_clickatell, mod_twitter: Update for net.http API change in prosody:e3b9dc9dd940
Matthew Wild <mwild1@gmail.com>
parents: 797
diff changeset
132 http.request(item.url, { headers = headers }, function(data, code)
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 if code == 200 then
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 item.data = data;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
135 if callback then callback(item) end
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 item.last_update = time();
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
137 elseif code == 304 then
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 item.last_update = time();
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 end);
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142
793
9fd30261b0e1 mod_pubsub_feeds: Add parameter refresh_feeds() to force refresh of all feeds
Kim Alvefur <zash@zash.se>
parents: 792
diff changeset
143 function refresh_feeds(force)
475
db5702bb9e41 mod_pubsub_feed: Dynamicaly reloadable config.
Kim Alvefur <zash@zash.se>
parents: 461
diff changeset
144 local now = time();
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
145 --module:log("debug", "Refreshing feeds");
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 for node, item in pairs(feed_list) do
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
147 --FIXME Don't fetch feeds which have a subscription
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
148 -- Otoho, what if the subscription expires or breaks?
793
9fd30261b0e1 mod_pubsub_feeds: Add parameter refresh_feeds() to force refresh of all feeds
Kim Alvefur <zash@zash.se>
parents: 792
diff changeset
149 if force or item.last_update + refresh_interval < now then
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
150 --module:log("debug", "checking %s", item.node);
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
151 fetch(item, update_entry);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
152 end
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 return refresh_interval;
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
157 local function format_url(node)
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
158 return module:http_url(nil, "/callback") .. "?node=" .. urlencode(node);
401
c85397063eca mod_pubsub_feed: Try harder to figure out ones callback URL.
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
159 end
c85397063eca mod_pubsub_feed: Try harder to figure out ones callback URL.
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
160
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
161 function subscribe(feed, want)
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
162 want = want or "subscribe";
324
100b3ad2e10c mod_pubsub_feed: Fix verify_token checking.
Kim Alvefur <zash@zash.se>
parents: 323
diff changeset
163 feed.token = uuid();
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
164 feed.secret = feed.secret or uuid();
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
Kim Alvefur <zash@zash.se>
parents: 402
diff changeset
165 local body = formencode{
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
166 ["hub.callback"] = format_url(feed.node);
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
167 ["hub.mode"] = want;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
168 ["hub.topic"] = feed.url;
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
169 ["hub.verify"] = "async";
324
100b3ad2e10c mod_pubsub_feed: Fix verify_token checking.
Kim Alvefur <zash@zash.se>
parents: 323
diff changeset
170 ["hub.verify_token"] = feed.token;
325
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
171 ["hub.secret"] = feed.secret;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
172 --["hub.lease_seconds"] = "";
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
Kim Alvefur <zash@zash.se>
parents: 402
diff changeset
173 };
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
174
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
175 --module:log("debug", "subscription request, body: %s", body);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
176
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
177 --FIXME The subscription states and related stuff
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
178 feed.subscription = want;
983
ac9bf3fcbcfe mod_pubsub_feeds, mod_sms_clickatell, mod_twitter: Update for net.http API change in prosody:e3b9dc9dd940
Matthew Wild <mwild1@gmail.com>
parents: 797
diff changeset
179 http.request(feed.hub, { body = body }, function(data, code)
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
180 module:log("debug", "subscription to %s submitted, status %s", feed.node, tostring(code));
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
181 if code >= 400 then
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
182 module:log("error", "There was something wrong with our subscription request, body: %s", tostring(data));
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
183 feed.subscription = "failed";
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
184 end
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
185 end);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
186 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
187
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
188 function handle_http_request(event)
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
189 local request = event.request;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
190 local method = request.method;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
191 local body = request.body;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
192
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
193 --module:log("debug", "%s request to %s%s with body %s", method, request.url.path, request.url.query and "?" .. request.url.query or "", #body > 0 and body or "empty");
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
194 local query = request.url.query or {}; --FIXME
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
195 if query and type(query) == "string" then
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
Kim Alvefur <zash@zash.se>
parents: 402
diff changeset
196 query = formdecode(query);
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
197 --module:log("debug", "GET data: %s", dump(query));
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
198 end
325
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
199 --module:log("debug", "Headers: %s", dump(request.headers));
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
200
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
201 local feed = feed_list[query.node];
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
202 if not feed then
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
203 return 404;
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
204 end
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
205
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
206 if method == "GET" then
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
207 if query.node then
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
208 if query["hub.topic"] ~= feed.url then
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
209 module:log("debug", "Invalid topic: %s", tostring(query["hub.topic"]))
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
210 return 404
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
211 end
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
212 if query["hub.mode"] ~= feed.subscription then
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
213 module:log("debug", "Invalid mode: %s", tostring(query["hub.mode"]))
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
214 return 400
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
215 -- Would this work for unsubscribe?
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
216 -- Also, if feed.subscription is changed here,
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
217 -- it would probably invalidate the subscription
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
218 -- when/if the hub asks if it should be renewed
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
219 end
324
100b3ad2e10c mod_pubsub_feed: Fix verify_token checking.
Kim Alvefur <zash@zash.se>
parents: 323
diff changeset
220 if query["hub.verify_token"] ~= feed.token then
100b3ad2e10c mod_pubsub_feed: Fix verify_token checking.
Kim Alvefur <zash@zash.se>
parents: 323
diff changeset
221 module:log("debug", "Invalid verify_token: %s", tostring(query["hub.verify_token"]))
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
222 return 401;
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
223 end
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
224 module:log("debug", "Confirming %s request to %s", feed.subscription, feed.url)
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
225 return query["hub.challenge"];
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
226 end
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
227 return 400;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
228 elseif method == "POST" then
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
229 if #body > 0 then
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
230 module:log("debug", "got %d bytes PuSHed for %s", #body, query.node);
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
231 local signature = request.headers.x_hub_signature;
325
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
232 if feed.secret then
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
233 local localsig = "sha1=" .. hmac_sha1(feed.secret, body, true);
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
234 if localsig ~= signature then
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
235 module:log("debug", "Invalid signature, got %s but wanted %s", tostring(signature), tostring(localsig));
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
236 return 401;
325
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
237 end
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
238 module:log("debug", "Valid signature");
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
239 end
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
240 feed.data = body;
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
241 update_entry(feed);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
242 feed.last_update = time();
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
243 return 202;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
244 end
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
245 return 400;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
246 end
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
247 return 501;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
248 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
249
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
250 if use_pubsubhubub then
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251 module:provides("http", {
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252 default_path = "/callback";
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253 route = {
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254 GET = handle_http_request;
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255 POST = handle_http_request;
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256 -- This all?
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257 };
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258 });
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
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259 end
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260
668
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parents: 633
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261 module:add_timer(1, refresh_feeds);