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28 office 1 ///////////////////////////////////////////////////////////////////////////
2 // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 //
3 ///////////////////////////////////////////////////////////////////////////
4 //
5 // A module that pulls information from an encyclopedia.
6 //
7 ///////////////////////////////////////////////////////////////////////////
8  
9 ///////////////////////////////////////////////////////////////////////////
10 // Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
11 ///////////////////////////////////////////////////////////////////////////
12 string wasKeyValueGet(string k, string data) {
13 if(llStringLength(data) == 0) return "";
14 if(llStringLength(k) == 0) return "";
15 list a = llParseString2List(data, ["&", "="], []);
16 integer i = llListFindList(a, [ k ]);
17 if(i != -1) return llList2String(a, i+1);
18 return "";
19 }
20  
21 ///////////////////////////////////////////////////////////////////////////
22 // Copyright (C) 2013 Wizardry and Steamworks - License: GNU GPLv3 //
23 ///////////////////////////////////////////////////////////////////////////
24 string wasKeyValueEncode(list data) {
25 list k = llList2ListStrided(data, 0, -1, 2);
26 list v = llList2ListStrided(llDeleteSubList(data, 0, 0), 0, -1, 2);
27 data = [];
28 do {
29 data += llList2String(k, 0) + "=" + llList2String(v, 0);
30 k = llDeleteSubList(k, 0, 0);
31 v = llDeleteSubList(v, 0, 0);
32 } while(llGetListLength(k) != 0);
33 return llDumpList2String(data, "&");
34 }
35  
36 ///////////////////////////////////////////////////////////////////////////
37 // Copyright (C) 2011 Wizardry and Steamworks - License: GNU GPLv3 //
38 ///////////////////////////////////////////////////////////////////////////
39 // http://was.fm/secondlife/wanderer
40 vector wasCirclePoint(float radius) {
41 float x = llPow(-1, 1 + (integer) llFrand(2)) * llFrand(radius*2);
42 float y = llPow(-1, 1 + (integer) llFrand(2)) * llFrand(radius*2);
43 if(llPow(x,2) + llPow(y,2) <= llPow(radius,2))
44 return <x, y, 0>;
45 return wasCirclePoint(radius);
46 }
47  
48 ///////////////////////////////////////////////////////////////////////////
49 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
50 ///////////////////////////////////////////////////////////////////////////
51 // escapes a string in conformance with RFC1738
52 string wasURLEscape(string i) {
53 string o = "";
54 do {
55 string c = llGetSubString(i, 0, 0);
56 i = llDeleteSubString(i, 0, 0);
57 if(c == "") jump continue;
58 if(c == " ") {
59 o += "+";
60 jump continue;
61 }
62 if(c == "\n") {
63 o += "%0D" + llEscapeURL(c);
64 jump continue;
65 }
66 o += llEscapeURL(c);
67 @continue;
68 } while(i != "");
69 return o;
70 }
71  
72 ///////////////////////////////////////////////////////////////////////////
73 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
74 ///////////////////////////////////////////////////////////////////////////
75 list wasCSVToList(string csv) {
76 list l = [];
77 list s = [];
78 string m = "";
79 do {
80 string a = llGetSubString(csv, 0, 0);
81 csv = llDeleteSubString(csv, 0, 0);
82 if(a == ",") {
83 if(llList2String(s, -1) != "\"") {
84 l += m;
85 m = "";
86 jump continue;
87 }
88 m += a;
89 jump continue;
90 }
91 if(a == "\"" && llGetSubString(csv, 0, 0) == a) {
92 m += a;
93 csv = llDeleteSubString(csv, 0, 0);
94 jump continue;
95 }
96 if(a == "\"") {
97 if(llList2String(s, -1) != a) {
98 s += a;
99 jump continue;
100 }
101 s = llDeleteSubList(s, -1, -1);
102 jump continue;
103 }
104 m += a;
105 @continue;
106 } while(csv != "");
107 // postcondition: length(s) = 0
108 return l + m;
109 }
110  
111 ///////////////////////////////////////////////////////////////////////////
112 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
113 ///////////////////////////////////////////////////////////////////////////
114 string wasListToCSV(list l) {
115 list v = [];
116 do {
117 string a = llDumpList2String(
118 llParseStringKeepNulls(
119 llList2String(
120 l,
121  
122 ),
123 ["\""],
124 []
125 ),
126 "\"\""
127 );
128 if(llParseStringKeepNulls(
129 a,
130 [" ", ",", "\n", "\""], []
131 ) !=
132 (list) a
133 ) a = "\"" + a + "\"";
134 v += a;
135 l = llDeleteSubList(l, 0, 0);
136 } while(l != []);
137 return llDumpList2String(v, ",");
138 }
139  
140 ///////////////////////////////////////////////////////////////////////////
141 // Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
142 ///////////////////////////////////////////////////////////////////////////
143 // unescapes a string in conformance with RFC1738
144 string wasURLUnescape(string i) {
145 return llUnescapeURL(
146 llDumpList2String(
147 llParseString2List(
148 llDumpList2String(
149 llParseString2List(
150 i,
151 ["+"],
152 []
153 ),
154 " "
155 ),
156 ["%0D%0A"],
157 []
158 ),
159 "\n"
160 )
161 );
162 }
163  
164 // configuration data
165 string configuration = "";
166 // callback URL
167 string URL = "";
168 // store message over state.
169 string data = "";
170 string query = "";
171  
172 default {
173 state_entry() {
174 llOwnerSay("[Explain] Starting module...");
175 llSetTimerEvent(10);
176 }
177 link_message(integer sender, integer num, string message, key id) {
178 if(id != "configuration") return;
179 llOwnerSay("[Explain] Got configuration...");
180 configuration = message;
181 state listen_group;
182 }
183 timer() {
184 llOwnerSay("[Explain] Requesting configuration...");
185 llMessageLinked(LINK_THIS, 0, "configuration", NULL_KEY);
186 }
187 on_rez(integer num) {
188 llResetScript();
189 }
190 changed(integer change) {
191 if((change & CHANGED_INVENTORY) ||
192 (change & CHANGED_REGION_START) ||
193 (change & CHANGED_OWNER)) {
194 llResetScript();
195 }
196 }
197 state_exit() {
198 llSetTimerEvent(0);
199 }
200 }
201  
202 state listen_group {
203 state_entry() {
204 // DEBUG
205 llOwnerSay("[Explain] Waiting for group messages...");
206 }
207 link_message(integer sender, integer num, string message, key id) {
208 // We only care about notifications now.
209 if(id != "notification")
210 return;
211  
212 // This script only processes group notifications.
213 if(wasKeyValueGet("type", message) != "group")
214 return;
215  
216 // Get the sent message.
217 data = wasURLUnescape(
218 wasKeyValueGet(
219 "message",
220 message
221 )
222 );
223  
224 // Check if this is an eggdrop command.
225 if(llGetSubString(data, 0, 0) !=
226 wasKeyValueGet("command", configuration))
227 return;
228  
229 // Check if the command matches the current module.
230 list command = llParseString2List(data, [" "], []);
231 if(llList2String(command, 0) !=
232 wasKeyValueGet("command", configuration) + "explain")
233 return;
234  
235 // Remove command.
236 command = llDeleteSubList(command, 0, 0);
237  
238 query = llDumpList2String(command, " ");
239  
240 state url;
241 }
242 on_rez(integer num) {
243 llResetScript();
244 }
245 changed(integer change) {
246 if((change & CHANGED_INVENTORY) ||
247 (change & CHANGED_REGION_START) ||
248 (change & CHANGED_OWNER)) {
249 llResetScript();
250 }
251 }
252 }
253  
254 state url {
255 state_entry() {
256 // DEBUG
257 llOwnerSay("[Explain] Requesting URL...");
258 llRequestURL();
259 }
260 http_request(key id, string method, string body) {
261 if(method != URL_REQUEST_GRANTED) return;
262 URL = body;
263 // DEBUG
264 llOwnerSay("[Explain] Got URL...");
265 state query_wikipedia;
266 }
267 on_rez(integer num) {
268 llResetScript();
269 }
270 changed(integer change) {
271 if((change & CHANGED_INVENTORY) ||
272 (change & CHANGED_REGION_START) ||
273 (change & CHANGED_OWNER)) {
274 llResetScript();
275 }
276 }
277 }
278  
279 state query_wikipedia {
280 state_entry() {
281 // DEBUG
282 llOwnerSay("[Explain] Querying wikipedia...");
283 llInstantMessage(
284 wasKeyValueGet(
285 "corrade",
286 configuration
287 ),
288 wasKeyValueEncode(
289 [
290 "command", "HTTP",
291 "group", wasURLEscape(
292 wasKeyValueGet(
293 "group",
294 configuration
295 )
296 ),
297 "password", wasURLEscape(
298 wasKeyValueGet(
299 "password",
300 configuration
301 )
302 ),
303 "action", "get",
304 "type", "text",
305 "URL", wasURLEscape("http://lookup.dbpedia.org/api/search/PrefixSearch?QueryClass=&MaxHits=1&QueryString=" + query),
306 "sift", wasListToCSV(
307 [
308 "XPath",
309 wasURLEscape(
310 wasKeyValueEncode(
311 [
312 "default", "x",
313 "path", wasURLEscape("/x:ArrayOfResult/x:Result/x:Description")
314 ]
315 )
316 )
317 ]
318 ),
319 "callback", wasURLEscape(URL)
320 ]
321 )
322 );
323  
324 llSetTimerEvent(60);
325 }
326 http_request(key id, string method, string body) {
327 llHTTPResponse(id, 200, "OK");
328 if(wasKeyValueGet("command", body) != "HTTP" ||
329 wasKeyValueGet("success", body) != "True") {
330 // DEBUG
331 llOwnerSay("[Explain] Unable to query wikipedia: " +
332 wasURLUnescape(
333 wasKeyValueGet("error", body)
334 )
335 );
336 llReleaseURL(URL);
337 state listen_group;
338 }
339  
340 data = wasKeyValueGet("data", wasURLUnescape(body));
341  
342 state tell;
343 }
344 timer() {
345 llReleaseURL(URL);
346 state listen_group;
347 }
348 on_rez(integer num) {
349 llResetScript();
350 }
351 changed(integer change) {
352 if((change & CHANGED_INVENTORY) ||
353 (change & CHANGED_REGION_START) ||
354 (change & CHANGED_OWNER)) {
355 llResetScript();
356 }
357 }
358 state_exit() {
359 llSetTimerEvent(0);
360 }
361 }
362  
363 state tell {
364 state_entry() {
365 // DEBUG
366 llOwnerSay("[Explain] Sending to group...");
367 llInstantMessage(
368 wasKeyValueGet(
369 "corrade",
370 configuration
371 ),
372 wasKeyValueEncode(
373 [
374 "command", "tell",
375 "group", wasURLEscape(
376 wasKeyValueGet(
377 "group",
378 configuration
379 )
380 ),
381 "password", wasURLEscape(
382 wasKeyValueGet(
383 "password",
384 configuration
385 )
386 ),
387 "entity", "group",
388 "message", wasURLEscape(data)
389 ]
390 )
391 );
392 state listen_group;
393 }
394 }