netwerk/base/public/nsIProtocolProxyService.idl

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* vim:set ts=4 sw=4 sts=4 et: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "nsISupports.idl"
michael@0 8
michael@0 9 interface nsICancelable;
michael@0 10 interface nsIProtocolProxyCallback;
michael@0 11 interface nsIProtocolProxyFilter;
michael@0 12 interface nsIProtocolProxyChannelFilter;
michael@0 13 interface nsIProxyInfo;
michael@0 14 interface nsIChannel;
michael@0 15 interface nsIURI;
michael@0 16
michael@0 17 /**
michael@0 18 * nsIProtocolProxyService provides methods to access information about
michael@0 19 * various network proxies.
michael@0 20 */
michael@0 21 [scriptable, uuid(ab363090-c331-489f-aabb-7fe4481795b8)]
michael@0 22 interface nsIProtocolProxyService : nsISupports
michael@0 23 {
michael@0 24 /** Flag 1 << 0 is unused **/
michael@0 25
michael@0 26 /**
michael@0 27 * When the proxy configuration is manual this flag may be passed to the
michael@0 28 * resolve and asyncResolve methods to request to prefer the SOCKS proxy
michael@0 29 * to HTTP ones.
michael@0 30 */
michael@0 31 const unsigned long RESOLVE_PREFER_SOCKS_PROXY = 1 << 1;
michael@0 32
michael@0 33 /**
michael@0 34 * When the proxy configuration is manual this flag may be passed to the
michael@0 35 * resolve and asyncResolve methods to request to not analyze the uri's
michael@0 36 * scheme specific proxy. When this flag is set the main HTTP proxy is the
michael@0 37 * preferred one.
michael@0 38 *
michael@0 39 * NOTE: if RESOLVE_PREFER_SOCKS_PROXY is set then the SOCKS proxy is
michael@0 40 * the preferred one.
michael@0 41 *
michael@0 42 * NOTE: if RESOLVE_PREFER_HTTPS_PROXY is set then the HTTPS proxy
michael@0 43 * is the preferred one.
michael@0 44 */
michael@0 45 const unsigned long RESOLVE_IGNORE_URI_SCHEME = 1 << 2;
michael@0 46
michael@0 47 /**
michael@0 48 * When the proxy configuration is manual this flag may be passed to the
michael@0 49 * resolve and asyncResolve methods to request to prefer the HTTPS proxy
michael@0 50 * to the others HTTP ones.
michael@0 51 *
michael@0 52 * NOTE: RESOLVE_PREFER_SOCKS_PROXY takes precedence over this flag.
michael@0 53 *
michael@0 54 * NOTE: This flag implies RESOLVE_IGNORE_URI_SCHEME.
michael@0 55 */
michael@0 56 const unsigned long RESOLVE_PREFER_HTTPS_PROXY =
michael@0 57 (1 << 3) | RESOLVE_IGNORE_URI_SCHEME;
michael@0 58
michael@0 59 /**
michael@0 60 * When the proxy configuration is manual this flag may be passed to the
michael@0 61 * resolve and asyncResolve methods to that all methods will be tunneled via
michael@0 62 * CONNECT through the http proxy.
michael@0 63 */
michael@0 64 const unsigned long RESOLVE_ALWAYS_TUNNEL = (1 << 4);
michael@0 65
michael@0 66 /**
michael@0 67 * This method returns via callback a nsIProxyInfo instance that identifies
michael@0 68 * a proxy to be used for the given channel. Otherwise, this method returns
michael@0 69 * null indicating that a direct connection should be used.
michael@0 70 *
michael@0 71 * @param aChannel
michael@0 72 * The channel for which a proxy is to be found.
michael@0 73 * @param aFlags
michael@0 74 * A bit-wise combination of the RESOLVE_ flags defined above. Pass
michael@0 75 * 0 to specify the default behavior. Any additional bits that do
michael@0 76 * not correspond to a RESOLVE_ flag are reserved for future use.
michael@0 77 * @param aCallback
michael@0 78 * The object to be notified when the result is available.
michael@0 79 *
michael@0 80 * @return An object that can be used to cancel the asychronous operation.
michael@0 81 * If canceled, the cancelation status (aReason) will be forwarded
michael@0 82 * to the callback's onProxyAvailable method via the aStatus param.
michael@0 83 *
michael@0 84 * NOTE: If this proxy is unavailable, getFailoverForProxy may be called
michael@0 85 * to determine the correct secondary proxy to be used.
michael@0 86 *
michael@0 87 * NOTE: If the protocol handler for the given URI supports
michael@0 88 * nsIProxiedProtocolHandler, then the nsIProxyInfo instance returned from
michael@0 89 * resolve may be passed to the newProxiedChannel method to create a
michael@0 90 * nsIChannel to the given URI that uses the specified proxy.
michael@0 91 *
michael@0 92 * NOTE: However, if the nsIProxyInfo type is "http", then it means that
michael@0 93 * the given URI should be loaded using the HTTP protocol handler, which
michael@0 94 * also supports nsIProxiedProtocolHandler.
michael@0 95 *
michael@0 96 * @see nsIProxiedProtocolHandler::newProxiedChannel
michael@0 97 */
michael@0 98 nsICancelable asyncResolve(in nsIChannel aChannel, in unsigned long aFlags,
michael@0 99 in nsIProtocolProxyCallback aCallback);
michael@0 100
michael@0 101 /**
michael@0 102 * This method may be called to construct a nsIProxyInfo instance from
michael@0 103 * the given parameters. This method may be useful in conjunction with
michael@0 104 * nsISocketTransportService::createTransport for creating, for example,
michael@0 105 * a SOCKS connection.
michael@0 106 *
michael@0 107 * @param aType
michael@0 108 * The proxy type. This is a string value that identifies the proxy
michael@0 109 * type. Standard values include:
michael@0 110 * "http" - specifies a HTTP proxy
michael@0 111 * "socks" - specifies a SOCKS version 5 proxy
michael@0 112 * "socks4" - specifies a SOCKS version 4 proxy
michael@0 113 * "direct" - specifies a direct connection (useful for failover)
michael@0 114 * The type name is case-insensitive. Other string values may be
michael@0 115 * possible, and new types may be defined by a future version of
michael@0 116 * this interface.
michael@0 117 * @param aHost
michael@0 118 * The proxy hostname or IP address.
michael@0 119 * @param aPort
michael@0 120 * The proxy port.
michael@0 121 * @param aFlags
michael@0 122 * Flags associated with this connection. See nsIProxyInfo.idl
michael@0 123 * for currently defined flags.
michael@0 124 * @param aFailoverTimeout
michael@0 125 * Specifies the length of time (in seconds) to ignore this proxy if
michael@0 126 * this proxy fails. Pass UINT32_MAX to specify the default
michael@0 127 * timeout value, causing nsIProxyInfo::failoverTimeout to be
michael@0 128 * assigned the default value.
michael@0 129 * @param aFailoverProxy
michael@0 130 * Specifies the next proxy to try if this proxy fails. This
michael@0 131 * parameter may be null.
michael@0 132 */
michael@0 133 nsIProxyInfo newProxyInfo(in ACString aType, in AUTF8String aHost,
michael@0 134 in long aPort, in unsigned long aFlags,
michael@0 135 in unsigned long aFailoverTimeout,
michael@0 136 in nsIProxyInfo aFailoverProxy);
michael@0 137
michael@0 138 /**
michael@0 139 * This method may be called to construct a nsIProxyInfo instance for
michael@0 140 * a SOCKS connection, with the specified username and password.
michael@0 141 * @param aHost
michael@0 142 * The proxy hostname or IP address.
michael@0 143 * @param aPort
michael@0 144 * The proxy port.
michael@0 145 * @param aUsername
michael@0 146 * The SOCKS5 username
michael@0 147 * @param aPassword
michael@0 148 * The SOCKS5 password
michael@0 149 * @param aFlags
michael@0 150 * Flags associated with this connection. See nsIProxyInfo.idl
michael@0 151 * for currently defined flags.
michael@0 152 * @param aFailoverTimeout
michael@0 153 * Specifies the length of time (in seconds) to ignore this proxy if
michael@0 154 * this proxy fails. Pass UINT32_MAX to specify the default
michael@0 155 * timeout value, causing nsIProxyInfo::failoverTimeout to be
michael@0 156 * assigned the default value.
michael@0 157 * @param aFailoverProxy
michael@0 158 * Specifies the next proxy to try if this proxy fails. This
michael@0 159 * parameter may be null.
michael@0 160 */
michael@0 161 nsIProxyInfo newSOCKSProxyInfo(in AUTF8String aHost, in long aPort,
michael@0 162 in ACString aUsername, in ACString aPassword,
michael@0 163 in unsigned long aFlags,
michael@0 164 in unsigned long aFailoverTimeout,
michael@0 165 in nsIProxyInfo aFailoverProxy);
michael@0 166
michael@0 167 /**
michael@0 168 * If the proxy identified by aProxyInfo is unavailable for some reason,
michael@0 169 * this method may be called to access an alternate proxy that may be used
michael@0 170 * instead. As a side-effect, this method may affect future result values
michael@0 171 * from resolve/asyncResolve as well as from getFailoverForProxy.
michael@0 172 *
michael@0 173 * @param aProxyInfo
michael@0 174 * The proxy that was unavailable.
michael@0 175 * @param aURI
michael@0 176 * The URI that was originally passed to resolve/asyncResolve.
michael@0 177 * @param aReason
michael@0 178 * The error code corresponding to the proxy failure. This value
michael@0 179 * may be used to tune the delay before this proxy is used again.
michael@0 180 *
michael@0 181 * @throw NS_ERROR_NOT_AVAILABLE if there is no alternate proxy available.
michael@0 182 */
michael@0 183 nsIProxyInfo getFailoverForProxy(in nsIProxyInfo aProxyInfo,
michael@0 184 in nsIURI aURI,
michael@0 185 in nsresult aReason);
michael@0 186
michael@0 187 /**
michael@0 188 * This method may be used to register a proxy filter instance. Each proxy
michael@0 189 * filter is registered with an associated position that determines the
michael@0 190 * order in which the filters are applied (starting from position 0). When
michael@0 191 * resolve/asyncResolve is called, it generates a list of proxies for the
michael@0 192 * given URI, and then it applies the proxy filters. The filters have the
michael@0 193 * opportunity to modify the list of proxies.
michael@0 194 *
michael@0 195 * If two filters register for the same position, then the filters will be
michael@0 196 * visited in the order in which they were registered.
michael@0 197 *
michael@0 198 * If the filter is already registered, then its position will be updated.
michael@0 199 *
michael@0 200 * After filters have been run, any disabled or disallowed proxies will be
michael@0 201 * removed from the list. A proxy is disabled if it had previously failed-
michael@0 202 * over to another proxy (see getFailoverForProxy). A proxy is disallowed,
michael@0 203 * for example, if it is a HTTP proxy and the nsIProtocolHandler for the
michael@0 204 * queried URI does not permit proxying via HTTP.
michael@0 205 *
michael@0 206 * If a nsIProtocolHandler disallows all proxying, then filters will never
michael@0 207 * have a chance to intercept proxy requests for such URLs.
michael@0 208 *
michael@0 209 * @param aFilter
michael@0 210 * The nsIProtocolProxyFilter instance to be registered.
michael@0 211 * @param aPosition
michael@0 212 * The position of the filter.
michael@0 213 *
michael@0 214 * NOTE: It is possible to construct filters that compete with one another
michael@0 215 * in undesirable ways. This API does not attempt to protect against such
michael@0 216 * problems. It is recommended that any extensions that choose to call
michael@0 217 * this method make their position value configurable at runtime (perhaps
michael@0 218 * via the preferences service).
michael@0 219 */
michael@0 220 void registerFilter(in nsIProtocolProxyFilter aFilter,
michael@0 221 in unsigned long aPosition);
michael@0 222
michael@0 223 /**
michael@0 224 * Similar to registerFilter, but accepts an nsIProtocolProxyChannelFilter,
michael@0 225 * which selects proxies according to channel rather than URI.
michael@0 226 *
michael@0 227 * @param aFilter
michael@0 228 * The nsIProtocolProxyChannelFilter instance to be registered.
michael@0 229 * @param aPosition
michael@0 230 * The position of the filter.
michael@0 231 */
michael@0 232 void registerChannelFilter(in nsIProtocolProxyChannelFilter aFilter,
michael@0 233 in unsigned long aPosition);
michael@0 234
michael@0 235 /**
michael@0 236 * This method may be used to unregister a proxy filter instance. All
michael@0 237 * filters will be automatically unregistered at XPCOM shutdown.
michael@0 238 *
michael@0 239 * @param aFilter
michael@0 240 * The nsIProtocolProxyFilter instance to be unregistered.
michael@0 241 */
michael@0 242 void unregisterFilter(in nsIProtocolProxyFilter aFilter);
michael@0 243
michael@0 244 /**
michael@0 245 * This method may be used to unregister a proxy channel filter instance. All
michael@0 246 * filters will be automatically unregistered at XPCOM shutdown.
michael@0 247 *
michael@0 248 * @param aFilter
michael@0 249 * The nsIProtocolProxyChannelFilter instance to be unregistered.
michael@0 250 */
michael@0 251 void unregisterChannelFilter(in nsIProtocolProxyChannelFilter aFilter);
michael@0 252
michael@0 253 /**
michael@0 254 * These values correspond to the possible integer values for the
michael@0 255 * network.proxy.type preference.
michael@0 256 */
michael@0 257 const unsigned long PROXYCONFIG_DIRECT = 0;
michael@0 258 const unsigned long PROXYCONFIG_MANUAL = 1;
michael@0 259 const unsigned long PROXYCONFIG_PAC = 2;
michael@0 260 const unsigned long PROXYCONFIG_WPAD = 4;
michael@0 261 const unsigned long PROXYCONFIG_SYSTEM = 5;
michael@0 262
michael@0 263 /**
michael@0 264 * This attribute specifies the current type of proxy configuration.
michael@0 265 */
michael@0 266 readonly attribute unsigned long proxyConfigType;
michael@0 267 };

mercurial