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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const EXPORTED_SYMBOLS = ["LDAPOperation"];
const lazy = {};
ChromeUtils.defineModuleGetter(
lazy,
"LDAPClient",
"resource:///modules/LDAPClient.jsm"
);
/**
* A module to manage LDAP operation.
*
* @implements {nsILDAPOperation}
*/
class LDAPOperation {
QueryInterface = ChromeUtils.generateQI(["nsILDAPOperation"]);
init(connection, listener, closure) {
this._listener = listener;
this._connection = connection;
this._client = connection.wrappedJSObject.client;
this._referenceUrls = [];
// Cache request arguments to use when searching references.
this._simpleBindPassword = null;
this._saslBindArgs = null;
this._searchArgs = null;
}
simpleBind(password) {
this._password = password;
try {
this._messageId = this._client.bind(
this._connection.bindName,
password,
res => this._onBindSuccess(res.result.resultCode)
);
} catch (e) {
this._listener.onLDAPError(e.result, null, "");
}
}
saslBind(service, mechanism, authModuleType, serverCredentials) {
this._saslBindArgs = [service, mechanism, authModuleType];
try {
this._client.saslBind(
service,
mechanism,
authModuleType,
serverCredentials,
res => {
if (res.result.resultCode == Ci.nsILDAPErrors.SASL_BIND_IN_PROGRESS) {
this.saslBind(
service,
mechanism,
authModuleType,
res.result.serverSaslCreds
);
} else if (res.result.resultCode == Ci.nsILDAPErrors.SUCCESS) {
this._onBindSuccess(res.result.resultCode);
}
}
);
} catch (e) {
this._listener.onLDAPError(e.result, null, "");
}
}
searchExt(baseDN, scope, filter, attributes, timeout, limit) {
this._searchArgs = [baseDN, scope, filter, attributes, timeout, limit];
try {
this._messageId = this._client.search(
baseDN,
scope,
filter,
attributes,
timeout,
limit,
res => {
if (res.constructor.name == "SearchResultEntry") {
this._listener.onLDAPMessage({
QueryInterface: ChromeUtils.generateQI(["nsILDAPMessage"]),
errorCode: 0,
type: Ci.nsILDAPMessage.RES_SEARCH_ENTRY,
getAttributes() {
return Object.keys(res.result.attributes);
},
// Find the matching attribute name while ignoring the case.
_getAttribute(attr) {
attr = attr.toLowerCase();
return this.getAttributes().find(x => x.toLowerCase() == attr);
},
getValues(attr) {
attr = this._getAttribute(attr);
return res.result.attributes[attr]?.map(v =>
new TextDecoder().decode(v)
);
},
getBinaryValues(attr) {
attr = this._getAttribute(attr);
return res.result.attributes[attr]?.map(v => ({
// @see nsILDAPBERValue
get: () => new Uint8Array(v),
}));
},
});
} else if (res.constructor.name == "SearchResultReference") {
this._referenceUrls.push(...res.result);
} else if (res.constructor.name == "SearchResultDone") {
// NOTE: we create a new connection for every search, can be changed
// to reuse connections.
this._client.onError = () => {};
this._client.unbind();
this._messageId = null;
if (this._referenceUrls.length) {
this._searchReference(this._referenceUrls.shift());
} else {
this._listener.onLDAPMessage({
errorCode: res.result.resultCode,
type: Ci.nsILDAPMessage.RES_SEARCH_RESULT,
});
}
}
}
);
} catch (e) {
this._listener.onLDAPError(e.result, null, "");
}
}
abandonExt() {
if (this._messageId) {
this._client.abandon(this._messageId);
}
}
/**
* Decide what to do on bind success. When searching a reference url, trigger
* a new search. Otherwise, emit a message to this._listener.
*
* @param {number} errorCode - The result code of BindResponse.
*/
_onBindSuccess(errorCode) {
if (this._searchingReference) {
this.searchExt(...this._searchArgs);
} else {
this._listener.onLDAPMessage({
errorCode,
type: Ci.nsILDAPMessage.RES_BIND,
});
}
}
/**
* Connect to a reference url and continue the search.
*
* @param {string} urlStr - A url string we get from SearchResultReference.
*/
_searchReference(urlStr) {
this._searchingReference = true;
let urlParser = Cc["@mozilla.org/network/ldap-url-parser;1"].createInstance(
Ci.nsILDAPURLParser
);
let url;
try {
url = urlParser.parse(urlStr);
} catch (e) {
console.error(e);
return;
}
this._client = new lazy.LDAPClient(
url.host,
url.port,
url.options & Ci.nsILDAPURL.OPT_SECURE
);
this._client.onOpen = () => {
if (this._password) {
this.simpleBind(this._password);
} else {
this.saslBind(...this._saslBindData);
}
};
this._client.onError = (status, secInfo) => {
this._listener.onLDAPError(status, secInfo, `${url.host}:${url.port}`);
};
this._client.connect();
}
}
LDAPOperation.prototype.classID = Components.ID(
"{a6f94ca4-cd2d-4983-bcf2-fe936190955c}"
);
|
