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				+package com.ozs.common.utils.html; 
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				+ 
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				+import java.util.ArrayList; 
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				+import java.util.Collections; 
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				+import java.util.HashMap; 
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				+import java.util.List; 
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				+import java.util.Map; 
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				+import java.util.concurrent.ConcurrentHashMap; 
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				+import java.util.concurrent.ConcurrentMap; 
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				+import java.util.regex.Matcher; 
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				+import java.util.regex.Pattern; 
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				+ 
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				+/** 
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				+ * HTML过滤器,用于去除XSS漏洞隐患。 
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				+ * 
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				+ * @author ruoyi 
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				+ */ 
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				+public final class HTMLFilter 
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				+{ 
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				+    /** 
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				+     * regex flag union representing /si modifiers in php 
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				+     **/ 
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				+    private static final int REGEX_FLAGS_SI = Pattern.CASE_INSENSITIVE | Pattern.DOTALL; 
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				+    private static final Pattern P_COMMENTS = Pattern.compile("<!--(.*?)-->", Pattern.DOTALL); 
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				+    private static final Pattern P_COMMENT = Pattern.compile("^!--(.*)--$", REGEX_FLAGS_SI); 
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				+    private static final Pattern P_TAGS = Pattern.compile("<(.*?)>", Pattern.DOTALL); 
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				+    private static final Pattern P_END_TAG = Pattern.compile("^/([a-z0-9]+)", REGEX_FLAGS_SI); 
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				+    private static final Pattern P_START_TAG = Pattern.compile("^([a-z0-9]+)(.*?)(/?)$", REGEX_FLAGS_SI); 
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				+    private static final Pattern P_QUOTED_ATTRIBUTES = Pattern.compile("([a-z0-9]+)=([\"'])(.*?)\\2", REGEX_FLAGS_SI); 
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				+    private static final Pattern P_UNQUOTED_ATTRIBUTES = Pattern.compile("([a-z0-9]+)(=)([^\"\\s']+)", REGEX_FLAGS_SI); 
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				+    private static final Pattern P_PROTOCOL = Pattern.compile("^([^:]+):", REGEX_FLAGS_SI); 
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				+    private static final Pattern P_ENTITY = Pattern.compile("&#(\\d+);?"); 
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				+    private static final Pattern P_ENTITY_UNICODE = Pattern.compile("&#x([0-9a-f]+);?"); 
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				+    private static final Pattern P_ENCODE = Pattern.compile("%([0-9a-f]{2});?"); 
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				+    private static final Pattern P_VALID_ENTITIES = Pattern.compile("&([^&;]*)(?=(;|&|$))"); 
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				+    private static final Pattern P_VALID_QUOTES = Pattern.compile("(>|^)([^<]+?)(<|$)", Pattern.DOTALL); 
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				+    private static final Pattern P_END_ARROW = Pattern.compile("^>"); 
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				+    private static final Pattern P_BODY_TO_END = Pattern.compile("<([^>]*?)(?=<|$)"); 
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				+    private static final Pattern P_XML_CONTENT = Pattern.compile("(^|>)([^<]*?)(?=>)"); 
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				+    private static final Pattern P_STRAY_LEFT_ARROW = Pattern.compile("<([^>]*?)(?=<|$)"); 
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				+    private static final Pattern P_STRAY_RIGHT_ARROW = Pattern.compile("(^|>)([^<]*?)(?=>)"); 
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				+    private static final Pattern P_AMP = Pattern.compile("&"); 
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				+    private static final Pattern P_QUOTE = Pattern.compile("\""); 
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				+    private static final Pattern P_LEFT_ARROW = Pattern.compile("<"); 
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				+    private static final Pattern P_RIGHT_ARROW = Pattern.compile(">"); 
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				+    private static final Pattern P_BOTH_ARROWS = Pattern.compile("<>"); 
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				+ 
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				+    // @xxx could grow large... maybe use sesat's ReferenceMap 
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				+    private static final ConcurrentMap<String, Pattern> P_REMOVE_PAIR_BLANKS = new ConcurrentHashMap<>(); 
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				+    private static final ConcurrentMap<String, Pattern> P_REMOVE_SELF_BLANKS = new ConcurrentHashMap<>(); 
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				+ 
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				+    /** 
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				+     * set of allowed html elements, along with allowed attributes for each element 
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				+     **/ 
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				+    private final Map<String, List<String>> vAllowed; 
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				+    /** 
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				+     * counts of open tags for each (allowable) html element 
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				+     **/ 
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				+    private final Map<String, Integer> vTagCounts = new HashMap<>(); 
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				+ 
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				+    /** 
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				+     * html elements which must always be self-closing (e.g. "<img />") 
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				+     **/ 
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				+    private final String[] vSelfClosingTags; 
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				+    /** 
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				+     * html elements which must always have separate opening and closing tags (e.g. "<b></b>") 
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				+     **/ 
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				+    private final String[] vNeedClosingTags; 
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				+    /** 
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				+     * set of disallowed html elements 
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				+     **/ 
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				+    private final String[] vDisallowed; 
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				+    /** 
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				+     * attributes which should be checked for valid protocols 
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				+     **/ 
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				+    private final String[] vProtocolAtts; 
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				+    /** 
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				+     * allowed protocols 
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				+     **/ 
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				+    private final String[] vAllowedProtocols; 
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				+    /** 
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				+     * tags which should be removed if they contain no content (e.g. "<b></b>" or "<b />") 
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				+     **/ 
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				+    private final String[] vRemoveBlanks; 
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				+    /** 
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				+     * entities allowed within html markup 
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				+     **/ 
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				+    private final String[] vAllowedEntities; 
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				+    /** 
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				+     * flag determining whether comments are allowed in input String. 
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				+     */ 
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				+    private final boolean stripComment; 
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				+    private final boolean encodeQuotes; 
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				+    /** 
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				+     * flag determining whether to try to make tags when presented with "unbalanced" angle brackets (e.g. "<b text </b>" 
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				+     * becomes "<b> text </b>"). If set to false, unbalanced angle brackets will be html escaped. 
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				+     */ 
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				+    private final boolean alwaysMakeTags; 
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				+ 
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				+    /** 
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				+     * Default constructor. 
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				+     */ 
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				+    public HTMLFilter() 
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				+    { 
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				+        vAllowed = new HashMap<>(); 
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				+ 
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				+        final ArrayList<String> a_atts = new ArrayList<>(); 
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				+        a_atts.add("href"); 
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				+        a_atts.add("target"); 
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				+        vAllowed.put("a", a_atts); 
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				+ 
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				+        final ArrayList<String> img_atts = new ArrayList<>(); 
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				+        img_atts.add("src"); 
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				+        img_atts.add("width"); 
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				+        img_atts.add("height"); 
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				+        img_atts.add("alt"); 
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				+        vAllowed.put("img", img_atts); 
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				+ 
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				+        final ArrayList<String> no_atts = new ArrayList<>(); 
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				+        vAllowed.put("b", no_atts); 
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				+        vAllowed.put("strong", no_atts); 
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				+        vAllowed.put("i", no_atts); 
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				+        vAllowed.put("em", no_atts); 
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				+ 
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				+        vSelfClosingTags = new String[] { "img" }; 
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				+        vNeedClosingTags = new String[] { "a", "b", "strong", "i", "em" }; 
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				+        vDisallowed = new String[] {}; 
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				+        vAllowedProtocols = new String[] { "http", "mailto", "https" }; // no ftp. 
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				+        vProtocolAtts = new String[] { "src", "href" }; 
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				+        vRemoveBlanks = new String[] { "a", "b", "strong", "i", "em" }; 
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				+        vAllowedEntities = new String[] { "amp", "gt", "lt", "quot" }; 
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				+        stripComment = true; 
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				+        encodeQuotes = true; 
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				+        alwaysMakeTags = false; 
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				+    } 
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				+ 
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				+    /** 
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				+     * Map-parameter configurable constructor. 
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				+     * 
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				+     * @param conf map containing configuration. keys match field names. 
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				+     */ 
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				+    @SuppressWarnings("unchecked") 
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				+    public HTMLFilter(final Map<String, Object> conf) 
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				+    { 
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				+ 
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				+        assert conf.containsKey("vAllowed") : "configuration requires vAllowed"; 
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				+        assert conf.containsKey("vSelfClosingTags") : "configuration requires vSelfClosingTags"; 
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				+        assert conf.containsKey("vNeedClosingTags") : "configuration requires vNeedClosingTags"; 
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				+        assert conf.containsKey("vDisallowed") : "configuration requires vDisallowed"; 
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				+        assert conf.containsKey("vAllowedProtocols") : "configuration requires vAllowedProtocols"; 
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				+        assert conf.containsKey("vProtocolAtts") : "configuration requires vProtocolAtts"; 
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				+        assert conf.containsKey("vRemoveBlanks") : "configuration requires vRemoveBlanks"; 
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				+        assert conf.containsKey("vAllowedEntities") : "configuration requires vAllowedEntities"; 
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				+ 
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				+        vAllowed = Collections.unmodifiableMap((HashMap<String, List<String>>) conf.get("vAllowed")); 
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				+        vSelfClosingTags = (String[]) conf.get("vSelfClosingTags"); 
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				+        vNeedClosingTags = (String[]) conf.get("vNeedClosingTags"); 
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				+        vDisallowed = (String[]) conf.get("vDisallowed"); 
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				+        vAllowedProtocols = (String[]) conf.get("vAllowedProtocols"); 
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				+        vProtocolAtts = (String[]) conf.get("vProtocolAtts"); 
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				+        vRemoveBlanks = (String[]) conf.get("vRemoveBlanks"); 
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				+        vAllowedEntities = (String[]) conf.get("vAllowedEntities"); 
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				+        stripComment = conf.containsKey("stripComment") ? (Boolean) conf.get("stripComment") : true; 
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				+        encodeQuotes = conf.containsKey("encodeQuotes") ? (Boolean) conf.get("encodeQuotes") : true; 
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				+        alwaysMakeTags = conf.containsKey("alwaysMakeTags") ? (Boolean) conf.get("alwaysMakeTags") : true; 
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				+    } 
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				+ 
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				+    private void reset() 
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				+    { 
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				+        vTagCounts.clear(); 
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				+    } 
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				+ 
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				+    // --------------------------------------------------------------- 
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				+    // my versions of some PHP library functions 
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				+    public static String chr(final int decimal) 
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				+    { 
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				+        return String.valueOf((char) decimal); 
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				+    } 
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				+ 
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				+    public static String htmlSpecialChars(final String s) 
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				+    { 
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				+        String result = s; 
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				+        result = regexReplace(P_AMP, "&", result); 
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				+        result = regexReplace(P_QUOTE, """, result); 
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				+        result = regexReplace(P_LEFT_ARROW, "<", result); 
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				+        result = regexReplace(P_RIGHT_ARROW, ">", result); 
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				+        return result; 
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				+    } 
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				+ 
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				+    // --------------------------------------------------------------- 
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				+ 
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				+    /** 
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				+     * given a user submitted input String, filter out any invalid or restricted html. 
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				+     * 
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				+     * @param input text (i.e. submitted by a user) than may contain html 
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				+     * @return "clean" version of input, with only valid, whitelisted html elements allowed 
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				+     */ 
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				+    public String filter(final String input) 
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				+    { 
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				+        reset(); 
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				+        String s = input; 
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				+ 
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				+        s = escapeComments(s); 
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				+ 
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				+        s = balanceHTML(s); 
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				+ 
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				+        s = checkTags(s); 
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				+ 
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				+        s = processRemoveBlanks(s); 
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				+ 
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				+        // s = validateEntities(s); 
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				+ 
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				+        return s; 
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				+    } 
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				+ 
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				+    public boolean isAlwaysMakeTags() 
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				+    { 
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				+        return alwaysMakeTags; 
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				+    } 
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				+ 
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				+    public boolean isStripComments() 
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				+    { 
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				+        return stripComment; 
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				+    } 
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				+ 
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				+    private String escapeComments(final String s) 
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				+    { 
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				+        final Matcher m = P_COMMENTS.matcher(s); 
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				+        final StringBuffer buf = new StringBuffer(); 
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				+        if (m.find()) 
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				+        { 
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				+            final String match = m.group(1); // (.*?) 
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				+            m.appendReplacement(buf, Matcher.quoteReplacement("<!--" + htmlSpecialChars(match) + "-->")); 
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				+        } 
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				 | 
			
			
				+        m.appendTail(buf); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return buf.toString(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String balanceHTML(String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (alwaysMakeTags) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // try and form html 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            s = regexReplace(P_END_ARROW, "", s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 不追加结束标签 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            s = regexReplace(P_BODY_TO_END, "<$1>", s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            s = regexReplace(P_XML_CONTENT, "$1<$2", s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        else 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // escape stray brackets 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            s = regexReplace(P_STRAY_LEFT_ARROW, "<$1", s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            s = regexReplace(P_STRAY_RIGHT_ARROW, "$1$2><", s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // the last regexp causes '<>' entities to appear 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // (we need to do a lookahead assertion so that the last bracket can 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // be used in the next pass of the regexp) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            s = regexReplace(P_BOTH_ARROWS, "", s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return s; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String checkTags(String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Matcher m = P_TAGS.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        final StringBuffer buf = new StringBuffer(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        while (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            String replaceStr = m.group(1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            replaceStr = processTag(replaceStr); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            m.appendReplacement(buf, Matcher.quoteReplacement(replaceStr)); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m.appendTail(buf); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // these get tallied in processTag 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // (remember to reset before subsequent calls to filter method) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        final StringBuilder sBuilder = new StringBuilder(buf.toString()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        for (String key : vTagCounts.keySet()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            for (int ii = 0; ii < vTagCounts.get(key); ii++) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                sBuilder.append("</").append(key).append(">"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        s = sBuilder.toString(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return s; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String processRemoveBlanks(final String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        String result = s; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        for (String tag : vRemoveBlanks) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            if (!P_REMOVE_PAIR_BLANKS.containsKey(tag)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                P_REMOVE_PAIR_BLANKS.putIfAbsent(tag, Pattern.compile("<" + tag + "(\\s[^>]*)?></" + tag + ">")); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            result = regexReplace(P_REMOVE_PAIR_BLANKS.get(tag), "", result); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            if (!P_REMOVE_SELF_BLANKS.containsKey(tag)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                P_REMOVE_SELF_BLANKS.putIfAbsent(tag, Pattern.compile("<" + tag + "(\\s[^>]*)?/>")); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            result = regexReplace(P_REMOVE_SELF_BLANKS.get(tag), "", result); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return result; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private static String regexReplace(final Pattern regex_pattern, final String replacement, final String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Matcher m = regex_pattern.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return m.replaceAll(replacement); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String processTag(final String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // ending tags 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Matcher m = P_END_TAG.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String name = m.group(1).toLowerCase(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            if (allowed(name)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                if (!inArray(name, vSelfClosingTags)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    if (vTagCounts.containsKey(name)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        vTagCounts.put(name, vTagCounts.get(name) - 1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        return "</" + name + ">"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // starting tags 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m = P_START_TAG.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String name = m.group(1).toLowerCase(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String body = m.group(2); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            String ending = m.group(3); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // debug( "in a starting tag, name='" + name + "'; body='" + body + "'; ending='" + ending + "'" ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            if (allowed(name)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final StringBuilder params = new StringBuilder(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final Matcher m2 = P_QUOTED_ATTRIBUTES.matcher(body); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final Matcher m3 = P_UNQUOTED_ATTRIBUTES.matcher(body); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final List<String> paramNames = new ArrayList<>(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final List<String> paramValues = new ArrayList<>(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                while (m2.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    paramNames.add(m2.group(1)); // ([a-z0-9]+) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    paramValues.add(m2.group(3)); // (.*?) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                while (m3.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    paramNames.add(m3.group(1)); // ([a-z0-9]+) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    paramValues.add(m3.group(3)); // ([^\"\\s']+) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                String paramName, paramValue; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                for (int ii = 0; ii < paramNames.size(); ii++) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    paramName = paramNames.get(ii).toLowerCase(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    paramValue = paramValues.get(ii); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    // debug( "paramName='" + paramName + "'" ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    // debug( "paramValue='" + paramValue + "'" ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    // debug( "allowed? " + vAllowed.get( name ).contains( paramName ) ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    if (allowedAttribute(name, paramName)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        if (inArray(paramName, vProtocolAtts)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                            paramValue = processParamProtocol(paramValue); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        params.append(' ').append(paramName).append("=\\\"").append(paramValue).append("\\\""); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                if (inArray(name, vSelfClosingTags)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    ending = " /"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                if (inArray(name, vNeedClosingTags)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    ending = ""; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                if (ending == null || ending.length() < 1) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    if (vTagCounts.containsKey(name)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        vTagCounts.put(name, vTagCounts.get(name) + 1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    else 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        vTagCounts.put(name, 1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                else 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    ending = " /"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                return "<" + name + params + ending + ">"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            else 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                return ""; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // comments 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m = P_COMMENT.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (!stripComment && m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return "<" + m.group() + ">"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return ""; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String processParamProtocol(String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        s = decodeEntities(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        final Matcher m = P_PROTOCOL.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String protocol = m.group(1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            if (!inArray(protocol, vAllowedProtocols)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                // bad protocol, turn into local anchor link instead 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                s = "#" + s.substring(protocol.length() + 1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                if (s.startsWith("#//")) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    s = "#" + s.substring(3); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return s; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String decodeEntities(String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        StringBuffer buf = new StringBuffer(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Matcher m = P_ENTITY.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        while (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String match = m.group(1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final int decimal = Integer.decode(match).intValue(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal))); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m.appendTail(buf); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        s = buf.toString(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        buf = new StringBuffer(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m = P_ENTITY_UNICODE.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        while (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String match = m.group(1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final int decimal = Integer.valueOf(match, 16).intValue(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal))); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m.appendTail(buf); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        s = buf.toString(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        buf = new StringBuffer(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m = P_ENCODE.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        while (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String match = m.group(1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final int decimal = Integer.valueOf(match, 16).intValue(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal))); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m.appendTail(buf); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        s = buf.toString(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        s = validateEntities(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return s; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String validateEntities(final String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        StringBuffer buf = new StringBuffer(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // validate entities throughout the string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Matcher m = P_VALID_ENTITIES.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        while (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String one = m.group(1); // ([^&;]*) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            final String two = m.group(2); // (?=(;|&|$)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            m.appendReplacement(buf, Matcher.quoteReplacement(checkEntity(one, two))); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        m.appendTail(buf); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return encodeQuotes(buf.toString()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String encodeQuotes(final String s) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (encodeQuotes) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            StringBuffer buf = new StringBuffer(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            Matcher m = P_VALID_QUOTES.matcher(s); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            while (m.find()) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final String one = m.group(1); // (>|^) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final String two = m.group(2); // ([^<]+?) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                final String three = m.group(3); // (<|$) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                // 不替换双引号为",防止json格式无效 regexReplace(P_QUOTE, """, two) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                m.appendReplacement(buf, Matcher.quoteReplacement(one + two + three)); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            m.appendTail(buf); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return buf.toString(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        else 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return s; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private String checkEntity(final String preamble, final String term) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return ";".equals(term) && isValidEntity(preamble) ? '&' + preamble : "&" + preamble; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private boolean isValidEntity(final String entity) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return inArray(entity, vAllowedEntities); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private static boolean inArray(final String s, final String[] array) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        for (String item : array) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            if (item != null && item.equals(s)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                return true; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return false; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private boolean allowed(final String name) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return (vAllowed.isEmpty() || vAllowed.containsKey(name)) && !inArray(name, vDisallowed); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private boolean allowedAttribute(final String name, final String paramName) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return allowed(name) && (vAllowed.isEmpty() || vAllowed.get(name).contains(paramName)); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 |