1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2 <!--NewPage--> 3 <HTML> 4 <HEAD> 5 <META http-equiv="Content-Type" content="text/html; charset=UTF-8"> 6 <TITLE> 7 HtmlSanitizer.Policy (OWASP Java HTML Sanitizer) 8 </TITLE> 9 10 11 <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"> 12 13 <SCRIPT type="text/javascript"> 14 function windowTitle() 15 { 16 if (location.href.indexOf('is-external=true') == -1) { 17 parent.document.title="HtmlSanitizer.Policy (OWASP Java HTML Sanitizer)"; 18 } 19 } 20 </SCRIPT> 21 <NOSCRIPT> 22 </NOSCRIPT> 23 24 </HEAD> 25 26 <BODY BGCOLOR="white" onload="windowTitle();"> 27 <HR> 28 29 30 <!-- ========= START OF TOP NAVBAR ======= --> 31 <A NAME="navbar_top"><!-- --></A> 32 <A HREF="#skip-navbar_top" title="Skip navigation links"></A> 33 <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 34 <TR> 35 <TD COLSPAN=2 BGCOLOR="#EEEEFF" 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HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); 65 } 66 //--> 67 </SCRIPT> 68 <NOSCRIPT> 69 <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A> 70 </NOSCRIPT> 71 72 73 </FONT></TD> 74 </TR> 75 <TR> 76 <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 77 SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> 78 <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 79 DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> 80 </TR> 81 </TABLE> 82 <A NAME="skip-navbar_top"></A> 83 <!-- ========= END OF TOP NAVBAR ========= --> 84 85 <HR> 86 <!-- ======== START OF CLASS DATA ======== --> 87 <H2> 88 <FONT SIZE="-1"> 89 org.owasp.html</FONT> 90 <BR> 91 Interface HtmlSanitizer.Policy</H2> 92 <DL> 93 <DT><B>All Superinterfaces:</B> <DD><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A></DD> 94 </DL> 95 <DL> 96 <DT><B>Enclosing class:</B><DD><A HREF="../../../org/owasp/html/HtmlSanitizer.html" title="class in org.owasp.html">HtmlSanitizer</A></DD> 97 </DL> 98 <HR> 99 <DL> 100 <DT><PRE>public static interface <A HREF="../../../src-html/org/owasp/html/HtmlSanitizer.html#line.53"><B>HtmlSanitizer.Policy</B></A><DT>extends <A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A></DL> 101 </PRE> 102 103 <P> 104 Receives events based on the HTML stream, and applies a policy to decide 105 what HTML constructs to allow. 106 Typically, implementations use an <A HREF="../../../org/owasp/html/HtmlStreamRenderer.html" title="class in org.owasp.html"><CODE>HtmlStreamRenderer</CODE></A> to produce 107 the sanitized output. 108 109 <p> 110 <b>Implementations of this class are in the TCB.</b></p> 111 <P> 112 113 <P> 114 <HR> 115 116 <P> 117 118 <!-- ========== METHOD SUMMARY =========== --> 119 120 <A NAME="method_summary"><!-- --></A> 121 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 122 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 123 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> 124 <B>Method Summary</B></FONT></TH> 125 </TR> 126 <TR BGCOLOR="white" CLASS="TableRowColor"> 127 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 128 <CODE> void</CODE></FONT></TD> 129 <TD><CODE><B><A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html#closeTag(java.lang.String)">closeTag</A></B>(java.lang.String elementName)</CODE> 130 131 <BR> 132 Called when an HTML tag like <code></foo></code> is seen in the input.</TD> 133 </TR> 134 <TR BGCOLOR="white" CLASS="TableRowColor"> 135 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 136 <CODE> void</CODE></FONT></TD> 137 <TD><CODE><B><A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html#openTag(java.lang.String, java.util.List)">openTag</A></B>(java.lang.String elementName, 138 java.util.List<java.lang.String> attrs)</CODE> 139 140 <BR> 141 Called when an HTML tag like <code><foo bar=baz></code> is seen in the input.</TD> 142 </TR> 143 <TR BGCOLOR="white" CLASS="TableRowColor"> 144 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> 145 <CODE> void</CODE></FONT></TD> 146 <TD><CODE><B><A HREF="../../../org/owasp/html/HtmlSanitizer.Policy.html#text(java.lang.String)">text</A></B>(java.lang.String textChunk)</CODE> 147 148 <BR> 149 Called when textual content is seen.</TD> 150 </TR> 151 </TABLE> 152 <A NAME="methods_inherited_from_class_org.owasp.html.HtmlStreamEventReceiver"><!-- --></A> 153 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 154 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> 155 <TH ALIGN="left"><B>Methods inherited from interface org.owasp.html.<A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A></B></TH> 156 </TR> 157 <TR BGCOLOR="white" CLASS="TableRowColor"> 158 <TD><CODE><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html#closeDocument()">closeDocument</A>, <A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html#openDocument()">openDocument</A></CODE></TD> 159 </TR> 160 </TABLE> 161 162 <P> 163 164 <!-- ============ METHOD DETAIL ========== --> 165 166 <A NAME="method_detail"><!-- --></A> 167 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> 168 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> 169 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> 170 <B>Method Detail</B></FONT></TH> 171 </TR> 172 </TABLE> 173 174 <A NAME="openTag(java.lang.String, java.util.List)"><!-- --></A><H3> 175 openTag</H3> 176 <PRE> 177 void <A HREF="../../../src-html/org/owasp/html/HtmlSanitizer.Policy.html#line.67"><B>openTag</B></A>(java.lang.String elementName, 178 java.util.List<java.lang.String> attrs)</PRE> 179 <DL> 180 <DD>Called when an HTML tag like <code><foo bar=baz></code> is seen in the input. 181 <P> 182 <DD><DL> 183 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html#openTag(java.lang.String, java.util.List)">openTag</A></CODE> in interface <CODE><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A></CODE></DL> 184 </DD> 185 <DD><DL> 186 <DT><B>Parameters:</B><DD><CODE>elementName</CODE> - a normalized (lower-case for non-namespaced names) 187 element name.<DD><CODE>attrs</CODE> - a list of alternating attribute name and value pairs. 188 For efficiency, this list may be mutated by this during this method 189 call, but ownership reverts to the caller on method exit. 190 The values are raw -- HTML entities have been decoded. 191 Specifically, implementations are allowed to use a list iterator 192 and remove all disallowed attributes, add necessary attributes, and 193 then pass the list to an <A HREF="../../../org/owasp/html/HtmlStreamRenderer.html" title="class in org.owasp.html"><CODE>HtmlStreamRenderer</CODE></A>.</DL> 194 </DD> 195 </DL> 196 <HR> 197 198 <A NAME="closeTag(java.lang.String)"><!-- --></A><H3> 199 closeTag</H3> 200 <PRE> 201 void <A HREF="../../../src-html/org/owasp/html/HtmlSanitizer.Policy.html#line.75"><B>closeTag</B></A>(java.lang.String elementName)</PRE> 202 <DL> 203 <DD>Called when an HTML tag like <code></foo></code> is seen in the input. 204 <P> 205 <DD><DL> 206 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html#closeTag(java.lang.String)">closeTag</A></CODE> in interface <CODE><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A></CODE></DL> 207 </DD> 208 <DD><DL> 209 <DT><B>Parameters:</B><DD><CODE>elementName</CODE> - a normalized (lower-case for non-namespaced names) 210 element name.</DL> 211 </DD> 212 </DL> 213 <HR> 214 215 <A NAME="text(java.lang.String)"><!-- --></A><H3> 216 text</H3> 217 <PRE> 218 void <A HREF="../../../src-html/org/owasp/html/HtmlSanitizer.Policy.html#line.81"><B>text</B></A>(java.lang.String textChunk)</PRE> 219 <DL> 220 <DD>Called when textual content is seen. 221 <P> 222 <DD><DL> 223 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html#text(java.lang.String)">text</A></CODE> in interface <CODE><A HREF="../../../org/owasp/html/HtmlStreamEventReceiver.html" title="interface in org.owasp.html">HtmlStreamEventReceiver</A></CODE></DL> 224 </DD> 225 <DD><DL> 226 <DT><B>Parameters:</B><DD><CODE>textChunk</CODE> - raw content -- HTML entities have been decoded.</DL> 227 </DD> 228 </DL> 229 <!-- ========= END OF CLASS DATA ========= --> 230 <HR> 231 232 233 <!-- ======= START OF BOTTOM NAVBAR ====== --> 234 <A NAME="navbar_bottom"><!-- --></A> 235 <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> 236 <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> 237 <TR> 238 <TD COLSPAN=2 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