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php 恶意代码过滤函数
时间：2022-07-02 09:15:27 编辑：袖梨 来源：一聚教程网
Public Function DecodeFilter(html, filter)
html=LCase(html)
filter=split(filter,",")
For Each i In filter
Select Case i
Case "SCRIPT" ' 去除所有客户端脚本javascipt,vbscript,jscript,js,vbs,event,...
html = exeRE("(javascript|jscript|vbscript|vbs):", "#", html)
html = exeRE("]*>", "", html)
html = exeRE("on(mouse|exit|error|click|key)", "", html)
Case "TABLE": ' 去除表格
html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) Case "CLASS" ' 去除样式类class="" html = exeRE("(<[^>]+) class=[^ |^>]*([^>]*>)", "$1 $2", html) Case "STYLE" ' 去除样式style="" html = exeRE("(<[^>]+) style=""[^""]*""([^>]*>)", "$1 $2", html) html = exeRE("(<[^>]+) style='[^']*'([^>]*>)", "$1 $2", html) Case "IMG" ' 去除样式style="" html = exeRE("]*>", "", html) Case "XML" ' 去除XML html = exeRE("]*>", "", html) Case "NAMESPACE" ' 去除命名空间 html = exeRE("]*>", "", html) Case "FONT" ' 去除字体 html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) Case "MARQUEE" ' 去除字幕 html = exeRE("]*>", "", html) Case "OBJECT" ' 去除对象 html = exeRE("]*>", "", html) html = exeRE("]*>", "", html) 'html = exeRE("]*>", "", html) Case "EMBED" html = exeRE("]*>", "", html) Case "DIV" ' 去除对象 html = exeRE("])*>", "$1", html) html = exeRE("])*>", "$1", html) Case "ONLOAD" ' 去除样式style="" html = exeRE("(<[^>]+) onload=""[^""]*""([^>]*>)", "$1 $2", html) html = exeRE("(<[^>]+) onload='[^']*'([^>]*>)", "$1 $2", html) Case "ONCLICK" ' 去除样式style="" html = exeRE("(<[^>]+) onclick=""[^""]*""([^>]*>)", "$1 $2", html) html = exeRE("(<[^>]+) onclick='[^']*'([^>]*>)", "$1 $2", html) Case "ONDBCLICK" ' 去除样式style="" html = exeRE("(<[^>]+) ondbclick=""[^""]*""([^>]*>)", "$1 $2", html) html = exeRE("(<[^>]+) ondbclick='[^']*'([^>]*>)", "$1 $2", html) End Select Next 'html = Replace(html," End Function 相关文章
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