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don’t allow escaped usernames in magic create

This commit is contained in:
Daniel Gultsch 2020-05-16 08:55:13 +02:00
parent 78a82a74bc
commit 2195bce303
2 changed files with 19 additions and 141 deletions
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10
src/conversations/java/eu/siacs/conversations/ui/MagicCreateActivity.java
View File

@ -81,13 +81,13 @@ public class MagicCreateActivity extends XmppActivity implements TextWatcher {
final boolean fixedUsername;
if (this.domain != null && this.username != null) {
fixedUsername = true;
jid = Jid.ofLocalAndDomain(this.username, this.domain);
jid = Jid.ofLocalAndDomainEscaped(this.username, this.domain);
} else if (this.domain != null) {
fixedUsername = false;
jid = Jid.ofLocalAndDomain(username, this.domain);
jid = Jid.ofLocalAndDomainEscaped(username, this.domain);
} else {
fixedUsername = false;
jid = Jid.ofLocalAndDomain(username, Config.MAGIC_CREATE_DOMAIN);
jid = Jid.ofLocalAndDomainEscaped(username, Config.MAGIC_CREATE_DOMAIN);
}
if (!jid.getEscapedLocal().equals(jid.getLocal()) || (this.username == null && username.length() < 3)) {
binding.username.setError(getString(R.string.invalid_username));
@ -151,9 +151,9 @@ public class MagicCreateActivity extends XmppActivity implements TextWatcher {
binding.fullJid.setVisibility(View.VISIBLE);
final Jid jid;
if (this.domain == null) {
jid = Jid.ofLocalAndDomain(username, Config.MAGIC_CREATE_DOMAIN);
jid = Jid.ofLocalAndDomainEscaped(username, Config.MAGIC_CREATE_DOMAIN);
} else {
jid = Jid.ofLocalAndDomain(username, this.domain);
jid = Jid.ofLocalAndDomainEscaped(username, this.domain);
}
binding.fullJid.setText(getString(R.string.your_full_jid_will_be, jid.toEscapedString()));
} catch (IllegalArgumentException e) {

150
src/main/java/eu/siacs/conversations/xmpp/Jid.java
View File

@ -45,14 +45,7 @@ public interface Jid extends Comparable<Jid>, Serializable, CharSequence {
}
}
/**
* Creates a bare JID with only the domain part, e.g. <code>capulet.com</code>
*
* @param domain The domain.
* @return The JID.
* @throws NullPointerException If the domain is null.
* @throws IllegalArgumentException If the domain or local part are not valid.
*/
static Jid ofDomain(CharSequence domain) {
try {
return new WrappedJid(JidCreate.domainBareFrom(domain));
@ -61,15 +54,6 @@ public interface Jid extends Comparable<Jid>, Serializable, CharSequence {
}
}
/**
* Creates a bare JID with a local and domain part, e.g. <code>juliet@capulet.com</code>
*
* @param local The local part.
* @param domain The domain.
* @return The JID.
* @throws NullPointerException If the domain is null.
* @throws IllegalArgumentException If the domain or local part are not valid.
*/
static Jid ofLocalAndDomain(CharSequence local, CharSequence domain) {
try {
return new WrappedJid(
@ -83,17 +67,19 @@ public interface Jid extends Comparable<Jid>, Serializable, CharSequence {
}
}
/**
* Creates a JID from an unescaped string. The format must be
* <blockquote><p>[ localpart "@" ] domainpart [ "/" resourcepart ]</p></blockquote>
* The input string will be escaped.
*
* @param jid The JID.
* @return The JID.
* @throws NullPointerException If the jid is null.
* @throws IllegalArgumentException If the jid could not be parsed or is not valid.
* @see <a href="https://xmpp.org/extensions/xep-0106.html">XEP-0106: JID Escaping</a>
*/
static Jid ofLocalAndDomainEscaped(CharSequence local, CharSequence domain) {
try {
return new WrappedJid(
JidCreate.bareFrom(
Localpart.from(local.toString()),
Domainpart.from(domain.toString())
)
);
} catch (XmppStringprepException e) {
throw new IllegalArgumentException(e);
}
}
static Jid of(CharSequence jid) {
if (jid instanceof Jid) {
return (Jid) jid;
@ -105,17 +91,6 @@ public interface Jid extends Comparable<Jid>, Serializable, CharSequence {
}
}
/**
* Creates a JID from a escaped JID string. The format must be
* <blockquote><p>[ localpart "@" ] domainpart [ "/" resourcepart ]</p></blockquote>
* This method should be used, when parsing JIDs from the XMPP stream.
*
* @param jid The JID.
* @return The JID.
* @throws NullPointerException If the jid is null.
* @throws IllegalArgumentException If the jid could not be parsed or is not valid.
* @see <a href="https://xmpp.org/extensions/xep-0106.html">XEP-0106: JID Escaping</a>
*/
static Jid ofEscaped(CharSequence jid) {
try {
return new WrappedJid(JidCreate.from(jid));
@ -125,120 +100,23 @@ public interface Jid extends Comparable<Jid>, Serializable, CharSequence {
}
}
/**
* Checks if the JID is a full JID.
* <blockquote>
* <p>The term "full JID" refers to an XMPP address of the form &lt;localpart@domainpart/resourcepart&gt; (for a particular authorized client or device associated with an account) or of the form &lt;domainpart/resourcepart&gt; (for a particular resource or script associated with a server).</p>
* </blockquote>
*
* @return True, if the JID is a full JID; otherwise false.
*/
boolean isFullJid();
/**
* Checks if the JID is a bare JID.
* <blockquote>
* <p>The term "bare JID" refers to an XMPP address of the form &lt;localpart@domainpart&gt; (for an account at a server) or of the form &lt;domainpart&gt; (for a server).</p>
* </blockquote>
*
* @return True, if the JID is a bare JID; otherwise false.
*/
boolean isBareJid();
/**
* Checks if the JID is a domain JID, i.e. if it has no local part.
*
* @return True, if the JID is a domain JID, i.e. if it has no local part.
*/
boolean isDomainJid();
/**
* Gets the bare JID representation of this JID, i.e. removes the resource part.
* <blockquote>
* <p>The term "bare JID" refers to an XMPP address of the form &lt;localpart@domainpart&gt; (for an account at a server) or of the form &lt;domainpart&gt; (for a server).</p>
* </blockquote>
*
* @return The bare JID.
* @see #withResource(CharSequence)
*/
Jid asBareJid();
/**
* Creates a new full JID with a resource and the same local and domain part of the current JID.
*
* @param resource The resource.
* @return The full JID with a resource.
* @throws IllegalArgumentException If the resource is not a valid resource part.
* @see #asBareJid()
*/
Jid withResource(CharSequence resource);
/**
* Gets the local part of the JID, also known as the name or node.
* <blockquote>
* <p><cite><a href="https://tools.ietf.org/html/rfc7622#section-3.3">3.3. Localpart</a></cite></p>
* <p>The localpart of a JID is an optional identifier placed before the
* domainpart and separated from the latter by the '@' character.
* Typically, a localpart uniquely identifies the entity requesting and
* using network access provided by a server (i.e., a local account),
* although it can also represent other kinds of entities (e.g., a
* chatroom associated with a multi-user chat service [XEP-0045]). The
* entity represented by an XMPP localpart is addressed within the
* context of a specific domain (i.e., &lt;localpart@domainpart&gt;).</p>
* </blockquote>
*
* @return The local part or null.
* @see #getEscapedLocal()
*/
String getLocal();
/**
* Gets the escaped local part of the JID.
*
* @return The escaped local part or null.
* @see #getLocal()
* @since 0.8.0
*/
String getEscapedLocal();
/**
* Gets the domain part.
* <blockquote>
* <p><cite><a href="https://tools.ietf.org/html/rfc7622#section-3.2">3.2. Domainpart</a></cite></p>
* <p>The domainpart is the primary identifier and is the only REQUIRED
* element of a JID (a mere domainpart is a valid JID). Typically,
* a domainpart identifies the "home" server to which clients connect
* for XML routing and data management functionality.</p>
* </blockquote>
*
* @return The domain part.
*/
String getDomain();
/**
* Gets the resource part.
* <blockquote>
* <p><cite><a href="https://tools.ietf.org/html/rfc7622#section-3.4">3.4. Resourcepart</a></cite></p>
* <p>The resourcepart of a JID is an optional identifier placed after the
* domainpart and separated from the latter by the '/' character. A
* resourcepart can modify either a &lt;localpart@domainpart&gt; address or a
* mere &lt;domainpart&gt; address. Typically, a resourcepart uniquely
* identifies a specific connection (e.g., a device or location) or
* object (e.g., an occupant in a multi-user chatroom [XEP-0045])
* belonging to the entity associated with an XMPP localpart at a domain
* (i.e., &lt;localpart@domainpart/resourcepart&gt;).</p>
* </blockquote>
*
* @return The resource part or null.
*/
String getResource();
/**
* Returns the JID in escaped form as described in <a href="https://xmpp.org/extensions/xep-0106.html">XEP-0106: JID Escaping</a>.
*
* @return The escaped JID.
* @see #toString()
*/
String toEscapedString();
}