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【discuzX2】/source/function/function_forum.php论坛模块通用函数集合分析

发布时间：2023-09-06 01:09责任编辑：胡小海关键词：暂无标签
  1. <?php
  3. /**
  4. *[Discuz!](C)2001-2099ComsenzInc.
  5. *ThisisNOTafreeware,useissubjecttolicenseterms
  6. *论坛模块通用函数集合
  7. *$Id:function_forum.php247232011-10-0912:50:14Zyangli$
  8. */
  10. if(!defined(‘IN_DISCUZ‘)){
  11. exit(‘AccessDenied‘);
  12. }
  14. /**
  15. *
  16. *@param$uid-用户ID
  17. *@param$size-头像大小small/middle/big
  18. *@param$returnsrc-是否返回头像地址
  19. */
  20. functiondiscuz_uc_avatar($uid,$size=‘‘,$returnsrc=FALSE){
  21. global$_G;
  22. returnavatar($uid,$size,$returnsrc,FALSE,$_G[‘setting‘][‘avatarmethod‘],$_G[‘setting‘][‘ucenterurl‘]);
  23. }
  25. /**
  26. *论坛附件删除
  27. *@param$attach-单一附件数据
  28. */
  29. functiondunlink($attach){
  30. global$_G;
  31. $filename=$attach[‘attachment‘];
  32. $havethumb=$attach[‘thumb‘];
  33. $remote=$attach[‘remote‘];
  34. if($remote){
  35. ftpcmd(‘delete‘,$_G[‘setting‘][‘ftp‘][‘attachdir‘].‘/forum/‘.$filename);
  36. $havethumb&&ftpcmd(‘delete‘,$_G[‘setting‘][‘ftp‘][‘attachdir‘].‘/forum/‘.getimgthumbname($filename));
  37. }else{
  38. @unlink($_G[‘setting‘][‘attachdir‘].‘/forum/‘.$filename);
  39. $havethumb&&@unlink($_G[‘setting‘][‘attachdir‘].‘/forum/‘.getimgthumbname($filename));
  40. }
  41. if($attach[‘aid‘]){
  42. @unlink($_G[‘setting‘][‘attachdir‘].‘image/‘.$attach[‘aid‘].‘_140_140.jpg‘);
  43. }
  44. }
  46. /**
  47. 权限表达式
  48. *@param$formula-权限表达式
  49. */
  50. functionformulaperm($formula){
  51. global$_G;
  53. $formula=unserialize($formula);
  54. $medalperm=$formula[‘medal‘];
  55. $permusers=$formula[‘users‘];
  56. $permmessage=$formula[‘message‘];
  57. if($_G[‘setting‘][‘medalstatus‘]&&$medalperm){
  58. $exists=1;
  59. $_G[‘forum_formulamessage‘]=‘‘;
  60. $medalpermc=$medalperm;
  61. if($_G[‘uid‘]){
  62. $medals=explode("\t",DB::result_first("SELECTmedalsFROM".DB::table(‘common_member_field_forum‘)."WHEREuid=‘$_G[uid]‘"));
  63. foreach($medalpermas$k=>$medal){
  64. foreach($medalsas$r){
  65. list($medalid)=explode("|",$r);
  66. if($medalid==$medal){
  67. $exists=0;
  68. unset($medalpermc[$k]);
  69. }
  70. }
  71. }
  72. }else{
  73. $exists=0;
  74. }
  75. if($medalpermc){
  76. loadcache(‘medals‘);
  77. foreach($medalpermcas$medal){
  78. if($_G[‘cache‘][‘medals‘][$medal]){
  79. $_G[‘forum_formulamessage‘].=‘<imgsrc="‘.STATICURL.‘image/common/‘.$_G[‘cache‘][‘medals‘][$medal][‘image‘].‘"style="vertical-align:middle;"/>‘.$_G[‘cache‘][‘medals‘][$medal][‘name‘].‘‘;
  80. }
  81. }
  82. showmessage(‘forum_permforum_nomedal‘,NULL,array(‘forum_permforum_nomedal‘=>$_G[‘forum_formulamessage‘]),array(‘login‘=>1));
  83. }
  84. }
  85. $formulatext=$formula[0];
  86. $formula=$formula[1];
  87. if($_G[‘adminid‘]==1||$_G[‘forum‘][‘ismoderator‘]||in_array($_G[‘groupid‘],explode("\t",$_G[‘forum‘][‘spviewperm‘]))){
  88. returnFALSE;
  89. }
  90. if($permusers){
  91. $permusers=str_replace(array("\r\n","\r"),array("\n","\n"),$permusers);
  92. $permusers=explode("\n",trim($permusers));
  93. if(!in_array($_G[‘member‘][‘username‘],$permusers)){
  94. showmessage(‘forum_permforum_disallow‘,NULL,array(),array(‘login‘=>1));
  95. }
  96. }
  97. if(!$formula){
  98. returnFALSE;
  99. }
  100. if(strexists($formula,‘$memberformula[‘)){
  101. preg_match_all("/\\\$memberformula
    ′(\w+?)′
    /",$formula,$a);
  102. $fields=$profilefields=array();
  103. $mfadd=array();
  104. foreach($a[1]as$field){
  105. switch($field){
  106. case‘regdate‘:
  107. $formula=preg_replace("/\{(\d{4})\-(\d{1,2})\-(\d{1,2})\}/e","‘\‘\\1-‘.sprintf(‘%02d‘,‘\\2‘).‘-‘.sprintf(‘%02d‘,‘\\3‘).‘\‘‘",$formula);
  108. case‘regday‘:
  109. $fields[]=‘m.regdate‘;break;
  110. case‘regip‘:
  111. case‘lastip‘:
  112. $formula=preg_replace("/\{([\d\.]+?)\}/","‘\\1‘",$formula);
  113. $formula=preg_replace(‘/(\$memberformula
    \‘(regip|lastip)\‘
    )\s*=+\s*\‘([\d\.]+?)\‘/‘,"strpos(\\1,‘\\3‘)===0",$formula);
  114. case‘buyercredit‘:
  115. case‘sellercredit‘:
  116. $mfadd[‘ms‘]="LEFTJOIN".DB::table(‘common_member_status‘)."msONm.uid=ms.uid";
  117. $fields[]=‘ms.‘.$field;break;
  118. casesubstr($field,0,5)==‘field‘:
  119. $mfadd[‘mp‘]="LEFTJOIN".DB::table(‘common_member_profile‘)."mpONm.uid=mp.uid";
  120. $fields[]=‘mp.field‘.intval(substr($field,5));
  121. $profilefields[]=$field;break;
  122. }
  123. }
  124. $memberformula=array();
  125. if($_G[‘uid‘]){
  126. $memberformula=DB::fetch_first("SELECT".implode(‘,‘,$fields)."FROM".DB::table(‘common_member‘)."m".implode(‘‘,$mfadd)."WHEREm.uid=‘$_G[uid]‘");
  127. if(in_array(‘regday‘,$a[1])){
  128. $memberformula[‘regday‘]=intval((TIMESTAMP-$memberformula[‘regdate‘])/86400);
  129. }
  130. if(in_array(‘regdate‘,$a[1])){
  131. $memberformula[‘regdate‘]=date(‘Y-m-d‘,$memberformula[‘regdate‘]);
  132. }
  133. $memberformula[‘lastip‘]=$memberformula[‘lastip‘]?$memberformula[‘lastip‘]:$_G[‘clientip‘];
  134. }else{
  135. if(isset($memberformula[‘regip‘])){
  136. $memberformula[‘regip‘]=$_G[‘clientip‘];
  137. }
  138. if(isset($memberformula[‘lastip‘])){
  139. $memberformula[‘lastip‘]=$_G[‘clientip‘];
  140. }
  141. }
  142. }
  143. @eval("\$formulaperm=($formula)?TRUE:FALSE;");
  144. if(!$formulaperm){
  145. if(!$permmessage){
  146. $language=lang(‘forum/misc‘);
  147. $search=array(‘regdate‘,‘regday‘,‘regip‘,‘lastip‘,‘buyercredit‘,‘sellercredit‘,‘digestposts‘,‘posts‘,‘threads‘,‘oltime‘);
  148. $replace=array($language[‘formulaperm_regdate‘],$language[‘formulaperm_regday‘],$language[‘formulaperm_regip‘],$language[‘formulaperm_lastip‘],$language[‘formulaperm_buyercredit‘],$language[‘formulaperm_sellercredit‘],$language[‘formulaperm_digestposts‘],$language[‘formulaperm_posts‘],$language[‘formulaperm_threads‘],$language[‘formulaperm_oltime‘]);
  149. for($i=1;$i<=8;$i++){
  150. $search[]=‘extcredits‘.$i;
  151. $replace[]=$_G[‘setting‘][‘extcredits‘][$i][‘title‘]?$_G[‘setting‘][‘extcredits‘][$i][‘title‘]:$language[‘formulaperm_extcredits‘].$i;
  152. }
  153. if($profilefields){
  154. loadcache(array(‘fields_required‘,‘fields_optional‘));
  155. foreach($profilefieldsas$profilefield){
  156. $search[]=$profilefield;
  157. $replace[]=!empty($_G[‘cache‘][‘fields_optional‘][‘field_‘.$profilefield])?$_G[‘cache‘][‘fields_optional‘][‘field_‘.$profilefield][‘title‘]:$_G[‘cache‘][‘fields_required‘][‘field_‘.$profilefield][‘title‘];
  158. }
  159. }
  160. $i=0;$_G[‘forum_usermsg‘]=‘‘;
  161. foreach($searchas$s){
  162. if(in_array($s,array(‘digestposts‘,‘posts‘,‘threads‘,‘oltime‘,‘extcredits1‘,‘extcredits2‘,‘extcredits3‘,‘extcredits4‘,‘extcredits5‘,‘extcredits6‘,‘extcredits7‘,‘extcredits8‘))){
  163. $_G[‘forum_usermsg‘].=strexists($formulatext,$s)?‘<br/>‘.$replace[$i].‘:‘.(@eval(‘returnintval(getuserprofile(\‘‘.$s.‘\‘));‘)):‘‘;
  164. }elseif(in_array($s,array(‘regdate‘,‘regip‘))){
  165. $_G[‘forum_usermsg‘].=strexists($formulatext,$s)?‘<br/>‘.$replace[$i].‘:‘.(@eval(‘return$memberformula[\‘‘.$s.‘\‘];‘)):‘‘;
  166. }
  167. $i++;
  168. }
  169. $search=array_merge($search,array(‘and‘,‘or‘,‘>=‘,‘<=‘,‘==‘));
  170. $replace=array_merge($replace,array(‘<b>‘.$language[‘formulaperm_and‘].‘</b>‘,‘<b>‘.$language[‘formulaperm_or‘].‘</b>‘,‘≥‘,‘≤‘,‘=‘));
  171. $_G[‘forum_formulamessage‘]=str_replace($search,$replace,$formulatext);
  172. }else{
  173. $_G[‘forum_formulamessage‘]=$permmessage;
  174. }
  176. if(!$permmessage){
  177. showmessage(‘forum_permforum_nopermission‘,NULL,array(‘formulamessage‘=>$_G[‘forum_formulamessage‘],‘usermsg‘=>$_G[‘forum_usermsg‘]),array(‘login‘=>1));
  178. }else{
  179. showmessage(‘forum_permforum_nopermission_custommsg‘,NULL,array(‘formulamessage‘=>$_G[‘forum_formulamessage‘]),array(‘login‘=>1));
  180. }
  181. }
  182. returnTRUE;
  183. }
  185. /**
  186. 勋章权限表达式
  187. *@param$formula-勋章权限表达式
  188. *@param$type-1权限验证2勋章字串
  189. */
  190. functionmedalformulaperm($formula,$type){
  191. global$_G;
  193. $formula=unserialize($formula);
  194. $permmessage=$formula[‘message‘];
  195. $formula=$formula[‘medal‘];
  196. if(!empty($formula[‘usergroupallow‘])&&is_array($formula[‘usergroups‘])&&!in_array($_G[‘groupid‘],$formula[‘usergroups‘])){
  197. loadcache(‘usergroups‘);
  198. $message=array();
  199. foreach($formula[‘usergroups‘]as$groupid){
  200. $message[]=$_G[‘cache‘][‘usergroups‘][$groupid][‘grouptitle‘].‘‘;
  201. }
  202. $_G[‘forum_formulamessage‘]=implode(‘,‘,$message);
  203. $_G[‘forum_usermsg‘]=$_G[‘cache‘][‘usergroups‘][$_G[‘groupid‘]][‘grouptitle‘];
  204. returnFALSE;
  205. }
  206. $formulatext=$formula[0];
  207. $formula=$formula[1];
  208. if(!$formula){
  209. returnFALSE;
  210. }
  211. if(strexists($formula,‘$memberformula[‘)){
  212. preg_match_all("/\\\$memberformula
    ′(\w+?)′
    /",$formula,$a);
  213. $fields=$profilefields=array();
  214. $mfadd=array();
  215. foreach($a[1]as$field){
  216. switch($field){
  217. case‘regdate‘:
  218. $formula=preg_replace("/\{(\d{4})\-(\d{1,2})\-(\d{1,2})\}/e","‘\‘\\1-‘.sprintf(‘%02d‘,‘\\2‘).‘-‘.sprintf(‘%02d‘,‘\\3‘).‘\‘‘",$formula);
  219. case‘regday‘:
  220. $fields[]=‘m.regdate‘;break;
  221. case‘regip‘:
  222. case‘lastip‘:
  223. $formula=preg_replace("/\{([\d\.]+?)\}/","‘\\1‘",$formula);
  224. $formula=preg_replace(‘/(\$memberformula
    \‘(regip|lastip)\‘
    )\s*=+\s*\‘([\d\.]+?)\‘/‘,"strpos(\\1,‘\\3‘)===0",$formula);
  225. case‘buyercredit‘:
  226. case‘sellercredit‘:
  227. $mfadd[‘ms‘]="LEFTJOIN".DB::table(‘common_member_status‘)."msONm.uid=ms.uid";
  228. $fields[]=‘ms.‘.$field;break;
  229. casesubstr($field,0,5)==‘field‘:
  230. $mfadd[‘mp‘]="LEFTJOIN".DB::table(‘common_member_profile‘)."mpONm.uid=mp.uid";
  231. $fields[]=‘mp.field‘.intval(substr($field,5));
  232. $profilefields[]=$field;break;
  233. }
  234. }
  235. $memberformula=array();
  236. if($_G[‘uid‘]){
  237. $memberformula=DB::fetch_first("SELECT".implode(‘,‘,$fields)."FROM".DB::table(‘common_member‘)."m".implode(‘‘,$mfadd)."WHEREm.uid=‘$_G[uid]‘");
  238. if(in_array(‘regday‘,$a[1])){
  239. $memberformula[‘regday‘]=intval((TIMESTAMP-$memberformula[‘regdate‘])/86400);
  240. }
  241. if(in_array(‘regdate‘,$a[1])){
  242. $memberformula[‘regdate‘]=date(‘Y-m-d‘,$memberformula[‘regdate‘]);
  243. }
  244. $memberformula[‘lastip‘]=$memberformula[‘lastip‘]?$memberformula[‘lastip‘]:$_G[‘clientip‘];
  245. }else{
  246. if(isset($memberformula[‘regip‘])){
  247. $memberformula[‘regip‘]=$_G[‘clientip‘];
  248. }
  249. &nbs

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