258 lines
10 KiB
Diff
258 lines
10 KiB
Diff
diff --git a/src/main/java/org/dom4j/Namespace.java b/src/main/java/org/dom4j/Namespace.java
|
||
index fd123b93..8f948ad8 100644
|
||
--- a/src/main/java/org/dom4j/Namespace.java
|
||
+++ b/src/main/java/org/dom4j/Namespace.java
|
||
@@ -49,6 +49,10 @@
|
||
public Namespace(String prefix, String uri) {
|
||
this.prefix = (prefix != null) ? prefix : "";
|
||
this.uri = (uri != null) ? uri : "";
|
||
+
|
||
+ if (!this.prefix.isEmpty()) {
|
||
+ QName.validateNCName(this.prefix);
|
||
+ }
|
||
}
|
||
|
||
/**
|
||
diff --git a/src/main/java/org/dom4j/QName.java b/src/main/java/org/dom4j/QName.java
|
||
index 9ac0d4d8..e9b2170e 100644
|
||
--- a/src/main/java/org/dom4j/QName.java
|
||
+++ b/src/main/java/org/dom4j/QName.java
|
||
@@ -11,6 +11,7 @@
|
||
import java.io.ObjectInputStream;
|
||
import java.io.ObjectOutputStream;
|
||
import java.io.Serializable;
|
||
+import java.util.regex.Pattern;
|
||
|
||
import org.dom4j.tree.QNameCache;
|
||
import org.dom4j.util.SingletonStrategy;
|
||
@@ -21,11 +22,86 @@
|
||
* object is immutable.
|
||
*
|
||
* @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
|
||
+ * @author Filip Jirsák
|
||
*/
|
||
public class QName implements Serializable {
|
||
/** The Singleton instance */
|
||
private static SingletonStrategy<QNameCache> singleton = null;
|
||
|
||
+ /**
|
||
+ * {@code NameStartChar} without colon.
|
||
+ *
|
||
+ * <pre>NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]</pre>
|
||
+ *
|
||
+ * @see <a href="https://www.w3.org/TR/xml/#sec-common-syn">XML 1.0 – 2.3 Common Syntactic Constructs</a>
|
||
+ * @see <a href="https://www.w3.org/TR/2006/REC-xml11-20060816/#sec-common-syn">XML 1.1 – 2.3 Common Syntactic Constructs</a>
|
||
+ */
|
||
+ private static final String NAME_START_CHAR = "_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD";
|
||
+
|
||
+ /**
|
||
+ * {@code NameChar} without colon.
|
||
+ *
|
||
+ * <pre>NameChar ::= NameStartChar | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]</pre>
|
||
+ *
|
||
+ * @see <a href="https://www.w3.org/TR/xml/#sec-common-syn">XML 1.0 – 2.3 Common Syntactic Constructs</a>
|
||
+ * @see <a href="https://www.w3.org/TR/2006/REC-xml11-20060816/#sec-common-syn">XML 1.1 – 2.3 Common Syntactic Constructs</a>
|
||
+ */
|
||
+ private static final String NAME_CHAR = NAME_START_CHAR + "-.0-9\u00B7\u0300-\u036F\u203F-\u2040";
|
||
+
|
||
+ /**
|
||
+ * {@code NCName}
|
||
+ *
|
||
+ * <pre>
|
||
+ * NCName ::= NCNameStartChar NCNameChar* (An XML Name, minus the ":")
|
||
+ * NCNameChar ::= NameChar -':'
|
||
+ * NCNameStartChar ::= NameStartChar -':'
|
||
+ * </pre>
|
||
+ *
|
||
+ * @see <a href="https://www.w3.org/TR/xml-names/#ns-qualnames">Namespaces in XML 1.0 – 4 Qualified Names</a>
|
||
+ * @see <a href="https://www.w3.org/TR/2006/REC-xml-names11-20060816/#ns-qualnames">Namespaces in XML 1.1 – 4 Qualified Names</a>
|
||
+ */
|
||
+ private static final String NCNAME = "["+NAME_START_CHAR+"]["+NAME_CHAR+"]*";
|
||
+
|
||
+ /**
|
||
+ * Regular expression for {@code Name} (with colon).
|
||
+ *
|
||
+ * <pre>Name ::= NameStartChar (NameChar)*</pre>
|
||
+ *
|
||
+ * @see <a href="https://www.w3.org/TR/xml/#sec-common-syn">XML 1.0 – 2.3 Common Syntactic Constructs</a>
|
||
+ * @see <a href="https://www.w3.org/TR/2006/REC-xml11-20060816/#sec-common-syn">XML 1.1 – 2.3 Common Syntactic Constructs</a>
|
||
+ */
|
||
+ private static final Pattern RE_NAME = Pattern.compile("[:"+NAME_START_CHAR+"][:"+NAME_CHAR+"]*");
|
||
+
|
||
+ /**
|
||
+ * Regular expression for {@code NCName}.
|
||
+ *
|
||
+ * <pre>
|
||
+ * NCName ::= NCNameStartChar NCNameChar* (An XML Name, minus the ":")
|
||
+ * NCNameChar ::= NameChar -':'
|
||
+ * NCNameStartChar ::= NameStartChar -':'
|
||
+ * </pre>
|
||
+ *
|
||
+ * @see <a href="https://www.w3.org/TR/xml-names/#ns-qualnames">Namespaces in XML 1.0 – 4 Qualified Names</a>
|
||
+ * @see <a href="https://www.w3.org/TR/2006/REC-xml-names11-20060816/#ns-qualnames">Namespaces in XML 1.1 – 4 Qualified Names</a>
|
||
+ */
|
||
+ private static final Pattern RE_NCNAME = Pattern.compile(NCNAME);
|
||
+
|
||
+ /**
|
||
+ * Regular expression for {@code QName}.
|
||
+ *
|
||
+ * <pre>
|
||
+ * QName ::= PrefixedName | UnprefixedName
|
||
+ * PrefixedName ::= Prefix ':' LocalPart
|
||
+ * UnprefixedName ::= LocalPart
|
||
+ * Prefix ::= NCName
|
||
+ * LocalPart ::= NCName
|
||
+ * </pre>
|
||
+ *
|
||
+ * @see <a href="https://www.w3.org/TR/xml-names/#ns-qualnames">Namespaces in XML 1.0 – 4 Qualified Names</a>
|
||
+ * @see <a href="https://www.w3.org/TR/2006/REC-xml-names11-20060816/#ns-qualnames">Namespaces in XML 1.1 – 4 Qualified Names</a>
|
||
+ */
|
||
+ private static final Pattern RE_QNAME = Pattern.compile("(?:"+NCNAME+":)?"+NCNAME);
|
||
+
|
||
static {
|
||
try {
|
||
String defaultSingletonClass = "org.dom4j.util.SimpleSingleton";
|
||
@@ -71,6 +147,11 @@ public QName(String name, Namespace namespace) {
|
||
this.name = (name == null) ? "" : name;
|
||
this.namespace = (namespace == null) ? Namespace.NO_NAMESPACE
|
||
: namespace;
|
||
+ if (this.namespace.equals(Namespace.NO_NAMESPACE)) {
|
||
+ validateName(this.name);
|
||
+ } else {
|
||
+ validateNCName(this.name);
|
||
+ }
|
||
}
|
||
|
||
public QName(String name, Namespace namespace, String qualifiedName) {
|
||
@@ -78,6 +159,8 @@ public QName(String name, Namespace namespace, String qualifiedName) {
|
||
this.qualifiedName = qualifiedName;
|
||
this.namespace = (namespace == null) ? Namespace.NO_NAMESPACE
|
||
: namespace;
|
||
+ validateNCName(this.name);
|
||
+ validateQName(this.qualifiedName);
|
||
}
|
||
|
||
public static QName get(String name) {
|
||
@@ -251,6 +334,24 @@ private static QNameCache getCache() {
|
||
QNameCache cache = singleton.instance();
|
||
return cache;
|
||
}
|
||
+
|
||
+ private static void validateName(String name) {
|
||
+ if (!RE_NAME.matcher(name).matches()) {
|
||
+ throw new IllegalArgumentException(String.format("Illegal character in name: '%s'.", name));
|
||
+ }
|
||
+ }
|
||
+
|
||
+ protected static void validateNCName(String ncname) {
|
||
+ if (!RE_NCNAME.matcher(ncname).matches()) {
|
||
+ throw new IllegalArgumentException(String.format("Illegal character in local name: '%s'.", ncname));
|
||
+ }
|
||
+ }
|
||
+
|
||
+ private static void validateQName(String qname) {
|
||
+ if (!RE_QNAME.matcher(qname).matches()) {
|
||
+ throw new IllegalArgumentException(String.format("Illegal character in qualified name: '%s'.", qname));
|
||
+ }
|
||
+ }
|
||
}
|
||
|
||
diff --git a/src/main/java/org/dom4j/tree/QNameCache.java b/src/main/java/org/dom4j/tree/QNameCache.java
|
||
index 330f3794..d37e8aaa 100644
|
||
--- a/src/main/java/org/dom4j/tree/QNameCache.java
|
||
+++ b/src/main/java/org/dom4j/tree/QNameCache.java
|
||
@@ -152,6 +152,8 @@ public QName get(String qualifiedName, String uri) {
|
||
|
||
if (index < 0) {
|
||
return get(qualifiedName, Namespace.get(uri));
|
||
+ } else if (index == 0){
|
||
+ throw new IllegalArgumentException("Qualified name cannot start with ':'.");
|
||
} else {
|
||
String name = qualifiedName.substring(index + 1);
|
||
String prefix = qualifiedName.substring(0, index);
|
||
diff --git a/src/test/java/org/dom4j/AllowedCharsTest.java b/src/test/java/org/dom4j/AllowedCharsTest.java
|
||
new file mode 100644
|
||
index 00000000..20c1de0b
|
||
--- /dev/null
|
||
+++ b/src/test/java/org/dom4j/AllowedCharsTest.java
|
||
@@ -0,0 +1,78 @@
|
||
+package org.dom4j;
|
||
+
|
||
+import org.testng.annotations.Test;
|
||
+
|
||
+/**
|
||
+ * @author Filip Jirsák
|
||
+ */
|
||
+public class AllowedCharsTest {
|
||
+ @Test
|
||
+ public void localName() {
|
||
+ QName.get("element");
|
||
+ QName.get(":element");
|
||
+ QName.get("elem:ent");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void localNameFail() {
|
||
+ QName.get("!element");
|
||
+ }
|
||
+
|
||
+ @Test
|
||
+ public void qname() {
|
||
+ QName.get("element", "http://example.com/namespace");
|
||
+ QName.get("ns:element", "http://example.com/namespace");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void qnameFail1() {
|
||
+ QName.get("ns:elem:ent", "http://example.com/namespace");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void qnameFail2() {
|
||
+ QName.get(":nselement", "http://example.com/namespace");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void createElementLT() {
|
||
+ DocumentHelper.createElement("element<name");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void createElementGT() {
|
||
+ DocumentHelper.createElement("element>name");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void createElementAmpersand() {
|
||
+ DocumentHelper.createElement("element&name");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void addElement() {
|
||
+ Element root = DocumentHelper.createElement("root");
|
||
+ root.addElement("element>name");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void addElementQualified() {
|
||
+ Element root = DocumentHelper.createElement("root");
|
||
+ root.addElement("element>name", "http://example.com/namespace");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void addElementQualifiedPrefix() {
|
||
+ Element root = DocumentHelper.createElement("root");
|
||
+ root.addElement("ns:element>name", "http://example.com/namespace");
|
||
+ }
|
||
+
|
||
+ @Test(expectedExceptions = IllegalArgumentException.class)
|
||
+ public void addElementPrefix() {
|
||
+ Element root = DocumentHelper.createElement("root");
|
||
+ root.addElement("ns>:element", "http://example.com/namespace");
|
||
+ }
|
||
+
|
||
+ //TODO It is illegal to create element or attribute with namespace prefix and empty namespace IRI.
|
||
+ //See https://www.w3.org/TR/2006/REC-xml-names11-20060816/#scoping
|
||
+}
|
||
|