-
Notifications
You must be signed in to change notification settings - Fork 3
/
crawler.php
338 lines (311 loc) · 9.96 KB
/
crawler.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
<html>
<head>
<title>Memrise Statistics</title>
<meta charset="utf-8">
<script type="text/javascript">
var today = new Date();
var t = today.getTime() / 1000 - today.getTimezoneOffset()*60;
</script>
</head>
<body onload="document.myform.clienttime.value=t;">
<?php
#TODOLIST
#get lastrun date
#faster load; depending on file age;
#remove expired file format
#graph intervals;
#estimate intervals put as "more than " TIME;
#polish looks center and font;
#config file editing
#time and date format in config file
#fix graphs for low numbers 1 should be at least 1 pixel; include border
#keep a history of intervals;
require_once "library/string_functions.php";
require_once "library/pageload_functions.php";
require_once "library/display_functions.php";
require_once "library/config.php";
if (!isset($_POST["clienttime"])){
echo '<form name="myform" action="crawler.php" method="post">'." \n";
echo '<input type="radio" name="datasource" value="remote">Force remote data collection (refresh data from memrise server, advisable if you\'ve added new courses).'."<br> \n";
echo '<input type="radio" name="datasource" value="local" checked="checked">Use previously stored <font color="blue">local data</font> where possible.'."<br><br> \n";
echo '<input type="hidden" name="clienttime">'." \n";
echo '<input type="submit" value="Collect Data">'." \n";
echo '</form><br>'." \n";
}
else{
$theTime=$_POST["clienttime"];
$datasource=$_POST["datasource"];
# echo date('Y-m-d h:i:s',$theTime);
if($user=="placeholder"){
echo "Edit the config.php file first!<br> \n";
echo "<i>(You can open the file in notepad; change the placeholder values according to the instructions there.)</i>";
}
else{
ini_set('max_execution_time', $PageTimeout); //300 seconds = 5 minutes
#check if tmp exists
if(!is_dir("tmp")){mkdir("tmp");}
$url = "http://www.memrise.com/login/";
$status="";
$global_i=1;
logout(); #to catch previous aborted runs; can't run script if already logged in
#open memrise login page and put code into file // needed because csfrtoken goes into form
getloginpage();
#logging in
login($user,$password);
#loading home page
outputProgress("<i>Be patient. The next few steps might take a while!</i>");
loadpage("http://www.memrise.com/home/","tmp/home.tmp");
#loading local data if it exists
#similar code in stats.php
$filename = "data/full_list.txt";
if(file_exists($filename)){
$fp = fopen($filename, "r");
$k=0;
$entry=array();
$courses=array();
$time_next_asked=array();
if ($fp){
$updatefile=FALSE;
while (($line = fgets($fp, 4096)) !== false){
$fields = array ('course', 'level','text1','text2','ask_next','asknextdate','askedlast','interval');
#checking if old file format; if new fields missing add them;
if(count(explode("|",$line))==5){
$updatefile=TRUE;
$line=trim($line);
$asknext=explode("|",$line);
$asknext=$asknext[4];
$line.="|".asknextToFields(getfilemtime(),$asknext);
}
$entry[$k] = array_combine($fields, explode("|",$line));
$courses[$k]=$entry[$k]['course'];
$k++;
}
}
#if necessary update file with new fields;
if($updatefile){
$file="data/full_list.txt";
file_put_contents($file, "");
foreach($entry as $line){
$writeline=implode("|",$line);
file_put_contents($file, $writeline, FILE_APPEND | LOCK_EX);
}
}
fclose($fp);
$local_file_exists=true;
}
else{
$file="data/full_list.txt";
file_put_contents($file, "");
$local_file_exists=false;
}
#extract course names and links
#loop through courses and levels & collect information
findcourses();
#merge new data with existing data
mergeFiles();
#logging out
logout(TRUE);
cleanupFiles();
outputProgress("Done. <a href='stats.php?timediff=".getTZdiff()."'>View Data</a>.");
}
}
echo "</body> \n";
#DATA OPERATIONS
function getWhitebox(){
$point1='<h2 class="h1">All my courses</h2>';
$point2='<div class="full-width alternate divide last-section">';
$html=file_get_contents("tmp/home.tmp");
$html=explode($point1,$html);
$html=$html[1];
$html=explode($point2,$html);
$html=$html[0];
return $html;
}
function getCompletedLevels($href){
global $_COOKIE;
#get courselevelpage
loadpage($href,"tmp/courselevels.tmp");
$html=file_get_contents("tmp/courselevels.tmp");
$array1=explode('<div class="level-index">',$html);
$i=0;
$levelarray=array();
foreach($array1 as $level){
if($i>0){
$array2=explode("</div>",$level);
$levelnum=$array2[0];
$array3=explode('<div class="level-icon">',$level);
if(strstr($array3[1],'<span class="ico ico-complete ico-correct ico-m ico-green">').""!=""){$complete=true;}
else{$complete=false;}
if($complete){
array_push($levelarray, $levelnum);
}
}
$i++;
}
return $levelarray;
}
function getItems($string){
global $theTime;
$search1='<div class="text"></div>';
$replace1='<div class="text">[no text]</div>';
$search2='<span class="ico ico-grey ico-lock"></span>';
$replace2='<div class="text">[locked]</div>';
$string=str_replace ($search1, $replace1, $string);
$string=str_replace ($search2, $replace2, $string);
$d="</div>";
$status=explode('"status">',$string);
$status=explode($d,$status[1]);
$status=$status[0];
$status.="|".asknextToFields($theTime,$status);
$text=explode('<div class="text">',$string);
$text1=explode($d,$text[1]);
$text1=$text1[0];
$text2=explode($d,$text[2]);
$text2=$text2[0];
return $text1."|".$text2."|".$status;
}
function getCharList($charlistfile, $course, $level){
$point1='data-thing-id';
$html=file_get_contents($charlistfile);
$html=explode($point1,$html);
$i=1;
$list="";
for($i=1;$i<sizeof($html);$i++){
$line=$course."|".$level."|".getItems($html[$i]);
$list.=$line;
}
return $list;
}
function getLocalCharList($course,$level){
global $entry, $theTime;
$list="";
foreach ($entry as $line){
if($line['course']==$course && $line['level']==$level){
if($line['ask_next']!=="Ignored"){
$line['ask_next']="expired";
if($line['asknextdate']<$theTime){ #this sets the "askedlastdate" to the current date/time, if "asknext" is "now" or in the past
$line['asknextdate']=$theTime;
$line['askedlast']=$theTime;
}
if($line['askedlast']!=="unknown"){
$line['interval']=timeToText($line['asknextdate']-$line['askedlast'])." \n";
}
else{
$line['interval']="unknown \n";
}
}
$list.=implode("|",$line);
}
}
return $list;
}
function asknextToFields($ref_time,$str){
global $theTime;
$asknextdate=getSeconds($ref_time, $str);
if($str=="now"){
$askedlast=$theTime;
}
else{
$askedlast="unknown";
}
return $asknextdate."|".$askedlast."|unknown \n";
}
#MANIPULATING FILES
function getfilemtime(){
$filename = 'data/full_list.txt';
$fmt=filemtime($filename);
$fmt+=getTZdiff();
return $fmt;
}
function mergeFiles(){ #file
#merging the files so that the script can remember when an item was last asked; old and new data are needed for this
$fp1 = fopen("data/full_list.txt", "r"); #file1: this is the local file with data from the previous run
$fp2 = fopen("tmp/full_list2.txt", "r"); #file2: this is the acquired updated data
$entry=array(); #the temporary array the data gets written to
$k=0; #counter for $entry array
$getnextline1=true; #setting a flag for the reading of file1
while(($line2 = fgets($fp2, 4096))!==false){ #reading file2 line by line
if($getnextline1){ #only get next line of file1 if the previous line was used
if(!feof($fp1)){ #catch if EOF
$line1 = fgets($fp1, 4096);
}
else{
$line1="EOF";
}
}
#find identifiers for current line in both files
#catch line1 becoming empty for new levels;
if($line1.""==""){
$identifiers1="EOF";
}
else{
$identifiers1=getID($line1);
}
$identifiers2=getID($line2);
if($identifiers1 == $identifiers2){ #entry exists in both files
$entry[$k]=mergeLines($line1,$line2);
$getnextline1=true; #set the flag to advance file1 to the next line
}
else{ #entry only exists since update
$entry[$k]=$line2; #new file line becomes line2
$getnextline1=false; #set the flag to advance file2 but stay at the same line in file1
}
$k++;
}
fclose($fp1);
fclose($fp2);
#write $entry array into file1;
$file="data/full_list.txt";
file_put_contents($file, "");
foreach($entry as $line){
file_put_contents($file, $line, FILE_APPEND | LOCK_EX);
}
}
function mergeLines($L1, $L2){ #file
global $theTime;
#L2: remotely collected data
#L1: data from local file
$L1A=explode("|",$L1);
$L2A=explode("|",$L2);
#[0]'course' #[4]'ask_next'
#[1]'level' #[5]'asknextdate'
#[2]'text1' #[6]'askedlast'
#[3]'text2' #[7]'interval'
$asknextdate=$L2A[5]; #set asknextdate to remotely collected value
if($L1A[5]<=$theTime){ #set askedlastdate (if asknextdate is <=now set to now; otherwise set to local value of askedlastdate)
$askedlastdate=$theTime;
}
else{
$askedlastdate=$L1A[6]; #this could also have "unknown" as a value;
}
if($askedlastdate!=="unknown" && $askedlastdate<$L1A[5]){ #only calculate a new interval if the new askedlastdate is before the new asknextdate
$interval=timeToText($asknextdate-$askedlastdate);
}
else{ #if askedlast is unknown or >$L1A[5]
if($askedlastdate=="unknown"){
$interval="unknown";
}
else{
$interval=trim($L1A[7]);
}
}
#DEBUGGING START
#not sure how this happens, but catch interval set to 0;
if($interval.""=="0"){
$debugtext="L1|".$L1A[0]."|".$L1A[1]."|".$L1A[2]."|".$L1A[3]."|".$L1A[4]."|".$L1A[5]."|".$L1A[6]."|".$L1A[7]." \n";
$debugtext.="L2|".$L2A[0]."|".$L2A[1]."|".$L2A[2]."|".$L2A[3]."|".$L2A[4]."|".$L2A[5]."|".$L2A[6]."|".$L2A[7]." \n";
$debugtext.="asknextdate,askedlastdate,interval|".$asknextdate."|".$askedlastdate."|".$interval." \n";
debug("debug.txt",$debugtext);
$interval=$L1A[7];
}
#DEBUGGING END
$ML=$L2A[0]."|".$L2A[1]."|".$L2A[2]."|".$L2A[3]."|expired|".$asknextdate."|".$askedlastdate."|".$interval." \n";
return $ML;
}
#DEBUGGING
function debug($file,$str){
file_put_contents($file, $str." \n", FILE_APPEND | LOCK_EX);
}
?>
</body>
</html>