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-rw-r--r--src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java330
1 files changed, 166 insertions, 164 deletions
diff --git a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
index c156b8b6..cb37bde3 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
@@ -12,25 +12,25 @@ import gnu.inet.encoding.StringprepException;
*/
public final class Jid {
- private final String localpart;
- private final String domainpart;
- private final String resourcepart;
+ private final String localpart;
+ private final String domainpart;
+ private final String resourcepart;
- // It's much more efficient to store the ful JID as well as the parts instead of figuring them
- // all out every time (since some characters are displayed but aren't used for comparisons).
- private final String displayjid;
+ // It's much more efficient to store the ful JID as well as the parts instead of figuring them
+ // all out every time (since some characters are displayed but aren't used for comparisons).
+ private final String displayjid;
- public String getLocalpart() {
- return localpart;
- }
+ public String getLocalpart() {
+ return localpart;
+ }
- public String getDomainpart() {
- return IDN.toUnicode(domainpart);
- }
+ public String getDomainpart() {
+ return IDN.toUnicode(domainpart);
+ }
- public String getResourcepart() {
- return resourcepart;
- }
+ public String getResourcepart() {
+ return resourcepart;
+ }
public static Jid fromSessionID(SessionID id) throws InvalidJidException{
if (id.getUserID().isEmpty()) {
@@ -40,153 +40,155 @@ public final class Jid {
}
}
- public static Jid fromString(final String jid) throws InvalidJidException {
- return new Jid(jid);
- }
-
- public static Jid fromParts(final String localpart,
- final String domainpart,
- final String resourcepart) throws InvalidJidException {
- String out;
- if (localpart == null || localpart.isEmpty()) {
- out = domainpart;
- } else {
- out = localpart + "@" + domainpart;
- }
- if (resourcepart != null && !resourcepart.isEmpty()) {
- out = out + "/" + resourcepart;
- }
- return new Jid(out);
- }
-
- private Jid(final String jid) throws InvalidJidException {
- // Hackish Android way to count the number of chars in a string... should work everywhere.
- final int atCount = jid.length() - jid.replace("@", "").length();
- final int slashCount = jid.length() - jid.replace("/", "").length();
-
- // Throw an error if there's anything obvious wrong with the JID...
- if (jid.isEmpty() || jid.length() > 3071) {
- throw new InvalidJidException(InvalidJidException.INVALID_LENGTH);
- }
-
- // Go ahead and check if the localpart or resourcepart is empty.
- if (jid.startsWith("@") || jid.endsWith("@") ||
- jid.startsWith("/") || jid.endsWith("/")) {
- throw new InvalidJidException(InvalidJidException.INVALID_CHARACTER);
- }
-
- String finaljid;
-
- final int domainpartStart;
- if (atCount >= 1) {
- final int atLoc = jid.indexOf("@");
- final String lp = jid.substring(0, atLoc);
- try {
- localpart = Stringprep.nodeprep(lp);
- } catch (final StringprepException e) {
- throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
- }
- if (localpart.isEmpty() || localpart.length() > 1023) {
- throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
- }
- domainpartStart = atLoc + 1;
- finaljid = lp + "@";
- } else {
- localpart = "";
- finaljid = "";
- domainpartStart = 0;
- }
-
- final String dp;
- if (slashCount >= 1) {
- final int slashLoc = jid.indexOf("/");
- final String rp = jid.substring(slashLoc + 1, jid.length());
- try {
- resourcepart = Stringprep.resourceprep(rp);
- } catch (final StringprepException e) {
- throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
- }
- if (resourcepart.isEmpty() || resourcepart.length() > 1023) {
- throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
- }
- dp = IDN.toUnicode(jid.substring(domainpartStart, slashLoc), IDN.USE_STD3_ASCII_RULES);
- finaljid = finaljid + dp + "/" + rp;
- } else {
- resourcepart = "";
- dp = IDN.toUnicode(jid.substring(domainpartStart, jid.length()),
- IDN.USE_STD3_ASCII_RULES);
- finaljid = finaljid + dp;
- }
-
- // Remove trailing "." before storing the domain part.
- if (dp.endsWith(".")) {
- try {
- domainpart = IDN.toASCII(dp.substring(0, dp.length() - 1), IDN.USE_STD3_ASCII_RULES);
- } catch (final IllegalArgumentException e) {
- throw new InvalidJidException(e);
- }
- } else {
- try {
- domainpart = IDN.toASCII(dp, IDN.USE_STD3_ASCII_RULES);
- } catch (final IllegalArgumentException e) {
- throw new InvalidJidException(e);
- }
- }
-
- // TODO: Find a proper domain validation library; validate individual parts, separators, etc.
- if (domainpart.isEmpty() || domainpart.length() > 1023) {
- throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
- }
-
- this.displayjid = finaljid;
- }
-
- public Jid toBareJid() {
- try {
- return resourcepart.isEmpty() ? this : fromParts(localpart, domainpart, "");
- } catch (final InvalidJidException e) {
- // This should never happen.
- return null;
- }
- }
-
- public Jid toDomainJid() {
- try {
- return resourcepart.isEmpty() && localpart.isEmpty() ? this : fromString(getDomainpart());
- } catch (final InvalidJidException e) {
- // This should never happen.
- return null;
- }
- }
-
- @Override
- public String toString() {
- return displayjid;
- }
-
- @Override
- public boolean equals(final Object o) {
- if (this == o) return true;
- if (o == null || getClass() != o.getClass()) return false;
-
- final Jid jid = (Jid) o;
-
- return jid.hashCode() == this.hashCode();
- }
-
- @Override
- public int hashCode() {
- int result = localpart.hashCode();
- result = 31 * result + domainpart.hashCode();
- result = 31 * result + resourcepart.hashCode();
- return result;
- }
-
- public boolean hasLocalpart() {
- return !localpart.isEmpty();
- }
-
- public boolean isBareJid() {
- return this.resourcepart.isEmpty();
- }
+ public static Jid fromString(final String jid) throws InvalidJidException {
+ return new Jid(jid);
+ }
+
+ public static Jid fromParts(final String localpart,
+ final String domainpart,
+ final String resourcepart) throws InvalidJidException {
+ String out;
+ if (localpart == null || localpart.isEmpty()) {
+ out = domainpart;
+ } else {
+ out = localpart + "@" + domainpart;
+ }
+ if (resourcepart != null && !resourcepart.isEmpty()) {
+ out = out + "/" + resourcepart;
+ }
+ return new Jid(out);
+ }
+
+ private Jid(final String jid) throws InvalidJidException {
+ // Hackish Android way to count the number of chars in a string... should work everywhere.
+ final int atCount = jid.length() - jid.replace("@", "").length();
+ final int slashCount = jid.length() - jid.replace("/", "").length();
+
+ // Throw an error if there's anything obvious wrong with the JID...
+ if (jid.isEmpty() || jid.length() > 3071) {
+ throw new InvalidJidException(InvalidJidException.INVALID_LENGTH);
+ }
+
+ // Go ahead and check if the localpart or resourcepart is empty.
+ if (jid.startsWith("@") || jid.endsWith("@") ||
+ jid.startsWith("/") || jid.endsWith("/")) {
+ throw new InvalidJidException(InvalidJidException.INVALID_CHARACTER);
+ }
+
+ String finaljid;
+
+ final int domainpartStart;
+ final int atLoc = jid.indexOf("@");
+ final int slashLoc = jid.indexOf("/");
+ // If there is no "@" in the JID (eg. "example.net" or "example.net/resource")
+ // or there are one or more "@" signs but they're all in the resourcepart (eg. "example.net/@/rp@"):
+ if (atCount == 0 || (atCount > 0 && slashLoc != -1 && atLoc > slashLoc)) {
+ localpart = "";
+ finaljid = "";
+ domainpartStart = 0;
+ } else {
+ final String lp = jid.substring(0, atLoc);
+ try {
+ localpart = Stringprep.nodeprep(lp);
+ } catch (final StringprepException e) {
+ throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
+ }
+ if (localpart.isEmpty() || localpart.length() > 1023) {
+ throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
+ }
+ domainpartStart = atLoc + 1;
+ finaljid = lp + "@";
+ }
+
+ final String dp;
+ if (slashCount > 0) {
+ final String rp = jid.substring(slashLoc + 1, jid.length());
+ try {
+ resourcepart = Stringprep.resourceprep(rp);
+ } catch (final StringprepException e) {
+ throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
+ }
+ if (resourcepart.isEmpty() || resourcepart.length() > 1023) {
+ throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
+ }
+ dp = IDN.toUnicode(jid.substring(domainpartStart, slashLoc), IDN.USE_STD3_ASCII_RULES);
+ finaljid = finaljid + dp + "/" + rp;
+ } else {
+ resourcepart = "";
+ dp = IDN.toUnicode(jid.substring(domainpartStart, jid.length()),
+ IDN.USE_STD3_ASCII_RULES);
+ finaljid = finaljid + dp;
+ }
+
+ // Remove trailing "." before storing the domain part.
+ if (dp.endsWith(".")) {
+ try {
+ domainpart = IDN.toASCII(dp.substring(0, dp.length() - 1), IDN.USE_STD3_ASCII_RULES);
+ } catch (final IllegalArgumentException e) {
+ throw new InvalidJidException(e);
+ }
+ } else {
+ try {
+ domainpart = IDN.toASCII(dp, IDN.USE_STD3_ASCII_RULES);
+ } catch (final IllegalArgumentException e) {
+ throw new InvalidJidException(e);
+ }
+ }
+
+ // TODO: Find a proper domain validation library; validate individual parts, separators, etc.
+ if (domainpart.isEmpty() || domainpart.length() > 1023) {
+ throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
+ }
+
+ this.displayjid = finaljid;
+ }
+
+ public Jid toBareJid() {
+ try {
+ return resourcepart.isEmpty() ? this : fromParts(localpart, domainpart, "");
+ } catch (final InvalidJidException e) {
+ // This should never happen.
+ return null;
+ }
+ }
+
+ public Jid toDomainJid() {
+ try {
+ return resourcepart.isEmpty() && localpart.isEmpty() ? this : fromString(getDomainpart());
+ } catch (final InvalidJidException e) {
+ // This should never happen.
+ return null;
+ }
+ }
+
+ @Override
+ public String toString() {
+ return displayjid;
+ }
+
+ @Override
+ public boolean equals(final Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+
+ final Jid jid = (Jid) o;
+
+ return jid.hashCode() == this.hashCode();
+ }
+
+ @Override
+ public int hashCode() {
+ int result = localpart.hashCode();
+ result = 31 * result + domainpart.hashCode();
+ result = 31 * result + resourcepart.hashCode();
+ return result;
+ }
+
+ public boolean hasLocalpart() {
+ return !localpart.isEmpty();
+ }
+
+ public boolean isBareJid() {
+ return this.resourcepart.isEmpty();
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 02:17:18 +0000