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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.security; | ||
| 27 | |||
| 28 | |||
| 29 | import java.net.URL; | ||
| 30 | import java.net.SocketPermission; | ||
| 31 | import java.util.ArrayList; | ||
| 32 | import java.util.List; | ||
| 33 | import java.util.Hashtable; | ||
| 34 | import java.io.ByteArrayInputStream; | ||
| 35 | import java.io.IOException; | ||
| 36 | import java.security.cert.*; | ||
| 37 | |||
| 38 | /** | ||
| 39 | * | ||
| 40 | * <p>This class extends the concept of a codebase to | ||
| 41 | * encapsulate not only the location (URL) but also the certificate chains | ||
| 42 | * that were used to verify signed code originating from that location. | ||
| 43 | * | ||
| 44 | * @author Li Gong | ||
| 45 | * @author Roland Schemers | ||
| 46 | */ | ||
| 47 | |||
| 48 | public class CodeSource implements java.io.Serializable { | ||
| 49 | |||
| 50 | private static final long serialVersionUID = 4977541819976013951L; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * The code location. | ||
| 54 | * | ||
| 55 | * @serial | ||
| 56 | */ | ||
| 57 | private URL location; | ||
| 58 | |||
| 59 | /* | ||
| 60 | * The code signers. | ||
| 61 | */ | ||
| 62 | private transient CodeSigner[] signers = null; | ||
| 63 | |||
| 64 | /* | ||
| 65 | * The code signers. Certificate chains are concatenated. | ||
| 66 | */ | ||
| 67 | private transient java.security.cert.Certificate certs[] = null; | ||
| 68 | |||
| 69 | // cached SocketPermission used for matchLocation | ||
| 70 | private transient SocketPermission sp; | ||
| 71 | |||
| 72 | // for generating cert paths | ||
| 73 | private transient CertificateFactory factory = null; | ||
| 74 | |||
| 75 | /** | ||
| 76 | * Constructs a CodeSource and associates it with the specified | ||
| 77 | * location and set of certificates. | ||
| 78 | * | ||
| 79 | * @param url the location (URL). | ||
| 80 | * | ||
| 81 | * @param certs the certificate(s). It may be null. The contents of the | ||
| 82 | * array are copied to protect against subsequent modification. | ||
| 83 | */ | ||
| 84 | public CodeSource(URL url, java.security.cert.Certificate certs[]) { | ||
| 85 | this.location = url; | ||
| 86 | |||
| 87 | // Copy the supplied certs | ||
| 88 | if (certs != null) { | ||
| 89 | this.certs = certs.clone(); | ||
| 90 | } | ||
| 91 | } | ||
| 92 | |||
| 93 | /** | ||
| 94 | * Constructs a CodeSource and associates it with the specified | ||
| 95 | * location and set of code signers. | ||
| 96 | * | ||
| 97 | * @param url the location (URL). | ||
| 98 | * @param signers the code signers. It may be null. The contents of the | ||
| 99 | * array are copied to protect against subsequent modification. | ||
| 100 | * | ||
| 101 | * @since 1.5 | ||
| 102 | */ | ||
| 103 | public CodeSource(URL url, CodeSigner[] signers) { | ||
| 104 | this.location = url; | ||
| 105 | |||
| 106 | // Copy the supplied signers | ||
| 107 | if (signers != null) { | ||
| 108 | this.signers = signers.clone(); | ||
| 109 | } | ||
| 110 | } | ||
| 111 | |||
| 112 | /** | ||
| 113 | * Returns the hash code value for this object. | ||
| 114 | * | ||
| 115 | * @return a hash code value for this object. | ||
| 116 | */ | ||
| 117 | |||
| 118 | public int hashCode() { | ||
| 119 | if (location != null) | ||
| 120 | return location.hashCode(); | ||
| 121 | else | ||
| 122 | return 0; | ||
| 123 | } | ||
| 124 | |||
| 125 | /** | ||
| 126 | * Tests for equality between the specified object and this | ||
| 127 | * object. Two CodeSource objects are considered equal if their | ||
| 128 | * locations are of identical value and if their signer certificate | ||
| 129 | * chains are of identical value. It is not required that | ||
| 130 | * the certificate chains be in the same order. | ||
| 131 | * | ||
| 132 | * @param obj the object to test for equality with this object. | ||
| 133 | * | ||
| 134 | * @return true if the objects are considered equal, false otherwise. | ||
| 135 | */ | ||
| 136 | public boolean equals(Object obj) { | ||
| 137 | if (obj == this) | ||
| 138 | return true; | ||
| 139 | |||
| 140 | // objects types must be equal | ||
| 141 | if (!(obj instanceof CodeSource)) | ||
| 142 | return false; | ||
| 143 | |||
| 144 | CodeSource cs = (CodeSource) obj; | ||
| 145 | |||
| 146 | // URLs must match | ||
| 147 | if (location == null) { | ||
| 148 | // if location is null, then cs.location must be null as well | ||
| 149 | if (cs.location != null) return false; | ||
| 150 | } else { | ||
| 151 | // if location is not null, then it must equal cs.location | ||
| 152 | if (!location.equals(cs.location)) return false; | ||
| 153 | } | ||
| 154 | |||
| 155 | // certs must match | ||
| 156 | return matchCerts(cs, true); | ||
| 157 | } | ||
| 158 | |||
| 159 | /** | ||
| 160 | * Returns the location associated with this CodeSource. | ||
| 161 | * | ||
| 162 | * @return the location (URL). | ||
| 163 | */ | ||
| 164 | public final URL getLocation() { | ||
| 165 | /* since URL is practically immutable, returning itself is not | ||
| 166 | a security problem */ | ||
| 167 | return this.location; | ||
| 168 | } | ||
| 169 | |||
| 170 | /** | ||
| 171 | * Returns the certificates associated with this CodeSource. | ||
| 172 | * <p> | ||
| 173 | * If this CodeSource object was created using the | ||
| 174 | * {@link #CodeSource(URL url, CodeSigner[] signers)} | ||
| 175 | * constructor then its certificate chains are extracted and used to | ||
| 176 | * create an array of Certificate objects. Each signer certificate is | ||
| 177 | * followed by its supporting certificate chain (which may be empty). | ||
| 178 | * Each signer certificate and its supporting certificate chain is ordered | ||
| 179 | * bottom-to-top (i.e., with the signer certificate first and the (root) | ||
| 180 | * certificate authority last). | ||
| 181 | * | ||
| 182 | * @return A copy of the certificates array, or null if there is none. | ||
| 183 | */ | ||
| 184 | public final java.security.cert.Certificate[] getCertificates() { | ||
| 185 | if (certs != null) { | ||
| 186 | return certs.clone(); | ||
| 187 | |||
| 188 | } else if (signers != null) { | ||
| 189 | // Convert the code signers to certs | ||
| 190 | ArrayList<java.security.cert.Certificate> certChains = | ||
| 191 | new ArrayList<>(); | ||
| 192 | for (int i = 0; i < signers.length; i++) { | ||
| 193 | certChains.addAll( | ||
| 194 | signers[i].getSignerCertPath().getCertificates()); | ||
| 195 | } | ||
| 196 | certs = certChains.toArray( | ||
| 197 | new java.security.cert.Certificate[certChains.size()]); | ||
| 198 | return certs.clone(); | ||
| 199 | |||
| 200 | } else { | ||
| 201 | return null; | ||
| 202 | } | ||
| 203 | } | ||
| 204 | |||
| 205 | /** | ||
| 206 | * Returns the code signers associated with this CodeSource. | ||
| 207 | * <p> | ||
| 208 | * If this CodeSource object was created using the | ||
| 209 | * {@link #CodeSource(URL url, Certificate[] certs)} | ||
| 210 | * constructor then its certificate chains are extracted and used to | ||
| 211 | * create an array of CodeSigner objects. Note that only X.509 certificates | ||
| 212 | * are examined - all other certificate types are ignored. | ||
| 213 | * | ||
| 214 | * @return A copy of the code signer array, or null if there is none. | ||
| 215 | * | ||
| 216 | * @since 1.5 | ||
| 217 | */ | ||
| 218 | public final CodeSigner[] getCodeSigners() { | ||
| 219 | if (signers != null) { | ||
| 220 | return signers.clone(); | ||
| 221 | |||
| 222 | } else if (certs != null) { | ||
| 223 | // Convert the certs to code signers | ||
| 224 | signers = convertCertArrayToSignerArray(certs); | ||
| 225 | return signers.clone(); | ||
| 226 | |||
| 227 | } else { | ||
| 228 | return null; | ||
| 229 | } | ||
| 230 | } | ||
| 231 | |||
| 232 | /** | ||
| 233 | * Returns true if this CodeSource object "implies" the specified CodeSource. | ||
| 234 | * <P> | ||
| 235 | * More specifically, this method makes the following checks, in order. | ||
| 236 | * If any fail, it returns false. If they all succeed, it returns true.<p> | ||
| 237 | * <ol> | ||
| 238 | * <li> <i>codesource</i> must not be null. | ||
| 239 | * <li> If this object's certificates are not null, then all | ||
| 240 | * of this object's certificates must be present in <i>codesource</i>'s | ||
| 241 | * certificates. | ||
| 242 | * <li> If this object's location (getLocation()) is not null, then the | ||
| 243 | * following checks are made against this object's location and | ||
| 244 | * <i>codesource</i>'s:<p> | ||
| 245 | * <ol> | ||
| 246 | * <li> <i>codesource</i>'s location must not be null. | ||
| 247 | * | ||
| 248 | * <li> If this object's location | ||
| 249 | * equals <i>codesource</i>'s location, then return true. | ||
| 250 | * | ||
| 251 | * <li> This object's protocol (getLocation().getProtocol()) must be | ||
| 252 | * equal to <i>codesource</i>'s protocol. | ||
| 253 | * | ||
| 254 | * <li> If this object's host (getLocation().getHost()) is not null, | ||
| 255 | * then the SocketPermission | ||
| 256 | * constructed with this object's host must imply the | ||
| 257 | * SocketPermission constructed with <i>codesource</i>'s host. | ||
| 258 | * | ||
| 259 | * <li> If this object's port (getLocation().getPort()) is not | ||
| 260 | * equal to -1 (that is, if a port is specified), it must equal | ||
| 261 | * <i>codesource</i>'s port. | ||
| 262 | * | ||
| 263 | * <li> If this object's file (getLocation().getFile()) doesn't equal | ||
| 264 | * <i>codesource</i>'s file, then the following checks are made: | ||
| 265 | * If this object's file ends with "/-", | ||
| 266 | * then <i>codesource</i>'s file must start with this object's | ||
| 267 | * file (exclusive the trailing "-"). | ||
| 268 | * If this object's file ends with a "/*", | ||
| 269 | * then <i>codesource</i>'s file must start with this object's | ||
| 270 | * file and must not have any further "/" separators. | ||
| 271 | * If this object's file doesn't end with a "/", | ||
| 272 | * then <i>codesource</i>'s file must match this object's | ||
| 273 | * file with a '/' appended. | ||
| 274 | * | ||
| 275 | * <li> If this object's reference (getLocation().getRef()) is | ||
| 276 | * not null, it must equal <i>codesource</i>'s reference. | ||
| 277 | * | ||
| 278 | * </ol> | ||
| 279 | * </ol> | ||
| 280 | * <p> | ||
| 281 | * For example, the codesource objects with the following locations | ||
| 282 | * and null certificates all imply | ||
| 283 | * the codesource with the location "http://java.sun.com/classes/foo.jar" | ||
| 284 | * and null certificates: | ||
| 285 | * <pre> | ||
| 286 | * http: | ||
| 287 | * http://*.sun.com/classes/* | ||
| 288 | * http://java.sun.com/classes/- | ||
| 289 | * http://java.sun.com/classes/foo.jar | ||
| 290 | * </pre> | ||
| 291 | * | ||
| 292 | * Note that if this CodeSource has a null location and a null | ||
| 293 | * certificate chain, then it implies every other CodeSource. | ||
| 294 | * | ||
| 295 | * @param codesource CodeSource to compare against. | ||
| 296 | * | ||
| 297 | * @return true if the specified codesource is implied by this codesource, | ||
| 298 | * false if not. | ||
| 299 | */ | ||
| 300 | |||
| 301 | public boolean implies(CodeSource codesource) | ||
| 302 | { | ||
| 303 | if (codesource == null) | ||
| 304 | return false; | ||
| 305 | |||
| 306 | return matchCerts(codesource, false) && matchLocation(codesource); | ||
| 307 | } | ||
| 308 | |||
| 309 | /** | ||
| 310 | * Returns true if all the certs in this | ||
| 311 | * CodeSource are also in <i>that</i>. | ||
| 312 | * | ||
| 313 | * @param that the CodeSource to check against. | ||
| 314 | * @param strict If true then a strict equality match is performed. | ||
| 315 | * Otherwise a subset match is performed. | ||
| 316 | */ | ||
| 317 | private boolean matchCerts(CodeSource that, boolean strict) | ||
| 318 | { | ||
| 319 | boolean match; | ||
| 320 | |||
| 321 | // match any key | ||
| 322 | if (certs == null && signers == null) { | ||
| 323 | if (strict) { | ||
| 324 | return (that.certs == null && that.signers == null); | ||
| 325 | } else { | ||
| 326 | return true; | ||
| 327 | } | ||
| 328 | // both have signers | ||
| 329 | } else if (signers != null && that.signers != null) { | ||
| 330 | if (strict && signers.length != that.signers.length) { | ||
| 331 | return false; | ||
| 332 | } | ||
| 333 | for (int i = 0; i < signers.length; i++) { | ||
| 334 | match = false; | ||
| 335 | for (int j = 0; j < that.signers.length; j++) { | ||
| 336 | if (signers[i].equals(that.signers[j])) { | ||
| 337 | match = true; | ||
| 338 | break; | ||
| 339 | } | ||
| 340 | } | ||
| 341 | if (!match) return false; | ||
| 342 | } | ||
| 343 | return true; | ||
| 344 | |||
| 345 | // both have certs | ||
| 346 | } else if (certs != null && that.certs != null) { | ||
| 347 | if (strict && certs.length != that.certs.length) { | ||
| 348 | return false; | ||
| 349 | } | ||
| 350 | for (int i = 0; i < certs.length; i++) { | ||
| 351 | match = false; | ||
| 352 | for (int j = 0; j < that.certs.length; j++) { | ||
| 353 | if (certs[i].equals(that.certs[j])) { | ||
| 354 | match = true; | ||
| 355 | break; | ||
| 356 | } | ||
| 357 | } | ||
| 358 | if (!match) return false; | ||
| 359 | } | ||
| 360 | return true; | ||
| 361 | } | ||
| 362 | |||
| 363 | return false; | ||
| 364 | } | ||
| 365 | |||
| 366 | |||
| 367 | /** | ||
| 368 | * Returns true if two CodeSource's have the "same" location. | ||
| 369 | * | ||
| 370 | * @param that CodeSource to compare against | ||
| 371 | */ | ||
| 372 | private boolean matchLocation(CodeSource that) | ||
| 373 | { | ||
| 374 | if (location == null) { | ||
| 375 | return true; | ||
| 376 | } | ||
| 377 | |||
| 378 | if ((that == null) || (that.location == null)) | ||
| 379 | return false; | ||
| 380 | |||
| 381 | if (location.equals(that.location)) | ||
| 382 | return true; | ||
| 383 | |||
| 384 | if (!location.getProtocol().equals(that.location.getProtocol())) | ||
| 385 | return false; | ||
| 386 | |||
| 387 | String thisHost = location.getHost(); | ||
| 388 | String thatHost = that.location.getHost(); | ||
| 389 | |||
| 390 | if (thisHost != null) { | ||
| 391 | if (("".equals(thisHost) || "localhost".equals(thisHost)) && | ||
| 392 | ("".equals(thatHost) || "localhost".equals(thatHost))) { | ||
| 393 | // ok | ||
| 394 | } else if (!thisHost.equals(thatHost)) { | ||
| 395 | if (thatHost == null) { | ||
| 396 | return false; | ||
| 397 | } | ||
| 398 | if (this.sp == null) { | ||
| 399 | this.sp = new SocketPermission(thisHost, "resolve"); | ||
| 400 | } | ||
| 401 | if (that.sp == null) { | ||
| 402 | that.sp = new SocketPermission(thatHost, "resolve"); | ||
| 403 | } | ||
| 404 | if (!this.sp.implies(that.sp)) { | ||
| 405 | return false; | ||
| 406 | } | ||
| 407 | } | ||
| 408 | } | ||
| 409 | |||
| 410 | if (location.getPort() != -1) { | ||
| 411 | if (location.getPort() != that.location.getPort()) | ||
| 412 | return false; | ||
| 413 | } | ||
| 414 | |||
| 415 | if (location.getFile().endsWith("/-")) { | ||
| 416 | // Matches the directory and (recursively) all files | ||
| 417 | // and subdirectories contained in that directory. | ||
| 418 | // For example, "/a/b/-" implies anything that starts with | ||
| 419 | // "/a/b/" | ||
| 420 | String thisPath = location.getFile().substring(0, | ||
| 421 | location.getFile().length()-1); | ||
| 422 | if (!that.location.getFile().startsWith(thisPath)) | ||
| 423 | return false; | ||
| 424 | } else if (location.getFile().endsWith("/*")) { | ||
| 425 | // Matches the directory and all the files contained in that | ||
| 426 | // directory. | ||
| 427 | // For example, "/a/b/*" implies anything that starts with | ||
| 428 | // "/a/b/" but has no further slashes | ||
| 429 | int last = that.location.getFile().lastIndexOf('/'); | ||
| 430 | if (last == -1) | ||
| 431 | return false; | ||
| 432 | String thisPath = location.getFile().substring(0, | ||
| 433 | location.getFile().length()-1); | ||
| 434 | String thatPath = that.location.getFile().substring(0, last+1); | ||
| 435 | if (!thatPath.equals(thisPath)) | ||
| 436 | return false; | ||
| 437 | } else { | ||
| 438 | // Exact matches only. | ||
| 439 | // For example, "/a/b" and "/a/b/" both imply "/a/b/" | ||
| 440 | if ((!that.location.getFile().equals(location.getFile())) | ||
| 441 | && (!that.location.getFile().equals(location.getFile()+"/"))) { | ||
| 442 | return false; | ||
| 443 | } | ||
| 444 | } | ||
| 445 | |||
| 446 | if (location.getRef() == null) | ||
| 447 | return true; | ||
| 448 | else | ||
| 449 | return location.getRef().equals(that.location.getRef()); | ||
| 450 | } | ||
| 451 | |||
| 452 | /** | ||
| 453 | * Returns a string describing this CodeSource, telling its | ||
| 454 | * URL and certificates. | ||
| 455 | * | ||
| 456 | * @return information about this CodeSource. | ||
| 457 | */ | ||
| 458 | public String toString() { | ||
| 459 | StringBuilder sb = new StringBuilder(); | ||
| 460 | sb.append("("); | ||
| 461 | sb.append(this.location); | ||
| 462 | |||
| 463 | if (this.certs != null && this.certs.length > 0) { | ||
| 464 | for (int i = 0; i < this.certs.length; i++) { | ||
| 465 | sb.append( " " + this.certs[i]); | ||
| 466 | } | ||
| 467 | |||
| 468 | } else if (this.signers != null && this.signers.length > 0) { | ||
| 469 | for (int i = 0; i < this.signers.length; i++) { | ||
| 470 | sb.append( " " + this.signers[i]); | ||
| 471 | } | ||
| 472 | } else { | ||
| 473 | sb.append(" <no signer certificates>"); | ||
| 474 | } | ||
| 475 | sb.append(")"); | ||
| 476 | return sb.toString(); | ||
| 477 | } | ||
| 478 | |||
| 479 | /** | ||
| 480 | * Writes this object out to a stream (i.e., serializes it). | ||
| 481 | * | ||
| 482 | * @serialData An initial <code>URL</code> is followed by an | ||
| 483 | * <code>int</code> indicating the number of certificates to follow | ||
| 484 | * (a value of "zero" denotes that there are no certificates associated | ||
| 485 | * with this object). | ||
| 486 | * Each certificate is written out starting with a <code>String</code> | ||
| 487 | * denoting the certificate type, followed by an | ||
| 488 | * <code>int</code> specifying the length of the certificate encoding, | ||
| 489 | * followed by the certificate encoding itself which is written out as an | ||
| 490 | * array of bytes. Finally, if any code signers are present then the array | ||
| 491 | * of code signers is serialized and written out too. | ||
| 492 | */ | ||
| 493 | private void writeObject(java.io.ObjectOutputStream oos) | ||
| 494 | throws IOException | ||
| 495 | { | ||
| 496 | oos.defaultWriteObject(); // location | ||
| 497 | |||
| 498 | // Serialize the array of certs | ||
| 499 | if (certs == null || certs.length == 0) { | ||
| 500 | oos.writeInt(0); | ||
| 501 | } else { | ||
| 502 | // write out the total number of certs | ||
| 503 | oos.writeInt(certs.length); | ||
| 504 | // write out each cert, including its type | ||
| 505 | for (int i = 0; i < certs.length; i++) { | ||
| 506 | java.security.cert.Certificate cert = certs[i]; | ||
| 507 | try { | ||
| 508 | oos.writeUTF(cert.getType()); | ||
| 509 | byte[] encoded = cert.getEncoded(); | ||
| 510 | oos.writeInt(encoded.length); | ||
| 511 | oos.write(encoded); | ||
| 512 | } catch (CertificateEncodingException cee) { | ||
| 513 | throw new IOException(cee.getMessage()); | ||
| 514 | } | ||
| 515 | } | ||
| 516 | } | ||
| 517 | |||
| 518 | // Serialize the array of code signers (if any) | ||
| 519 | if (signers != null && signers.length > 0) { | ||
| 520 | oos.writeObject(signers); | ||
| 521 | } | ||
| 522 | } | ||
| 523 | |||
| 524 | /** | ||
| 525 | * Restores this object from a stream (i.e., deserializes it). | ||
| 526 | */ | ||
| 527 | private void readObject(java.io.ObjectInputStream ois) | ||
| 528 | throws IOException, ClassNotFoundException | ||
| 529 | { | ||
| 530 | CertificateFactory cf; | ||
| 531 | Hashtable<String, CertificateFactory> cfs = null; | ||
| 532 | |||
| 533 | ois.defaultReadObject(); // location | ||
| 534 | |||
| 535 | // process any new-style certs in the stream (if present) | ||
| 536 | int size = ois.readInt(); | ||
| 537 | if (size > 0) { | ||
| 538 | // we know of 3 different cert types: X.509, PGP, SDSI, which | ||
| 539 | // could all be present in the stream at the same time | ||
| 540 | cfs = new Hashtable<String, CertificateFactory>(3); | ||
| 541 | this.certs = new java.security.cert.Certificate[size]; | ||
| 542 | } | ||
| 543 | |||
| 544 | for (int i = 0; i < size; i++) { | ||
| 545 | // read the certificate type, and instantiate a certificate | ||
| 546 | // factory of that type (reuse existing factory if possible) | ||
| 547 | String certType = ois.readUTF(); | ||
| 548 | if (cfs.containsKey(certType)) { | ||
| 549 | // reuse certificate factory | ||
| 550 | cf = cfs.get(certType); | ||
| 551 | } else { | ||
| 552 | // create new certificate factory | ||
| 553 | try { | ||
| 554 | cf = CertificateFactory.getInstance(certType); | ||
| 555 | } catch (CertificateException ce) { | ||
| 556 | throw new ClassNotFoundException | ||
| 557 | ("Certificate factory for " + certType + " not found"); | ||
| 558 | } | ||
| 559 | // store the certificate factory so we can reuse it later | ||
| 560 | cfs.put(certType, cf); | ||
| 561 | } | ||
| 562 | // parse the certificate | ||
| 563 | byte[] encoded = null; | ||
| 564 | try { | ||
| 565 | encoded = new byte[ois.readInt()]; | ||
| 566 | } catch (OutOfMemoryError oome) { | ||
| 567 | throw new IOException("Certificate too big"); | ||
| 568 | } | ||
| 569 | ois.readFully(encoded); | ||
| 570 | ByteArrayInputStream bais = new ByteArrayInputStream(encoded); | ||
| 571 | try { | ||
| 572 | this.certs[i] = cf.generateCertificate(bais); | ||
| 573 | } catch (CertificateException ce) { | ||
| 574 | throw new IOException(ce.getMessage()); | ||
| 575 | } | ||
| 576 | bais.close(); | ||
| 577 | } | ||
| 578 | |||
| 579 | // Deserialize array of code signers (if any) | ||
| 580 | try { | ||
| 581 | this.signers = ((CodeSigner[])ois.readObject()).clone(); | ||
| 582 | } catch (IOException ioe) { | ||
| 583 | // no signers present | ||
| 584 | } | ||
| 585 | } | ||
| 586 | |||
| 587 | /* | ||
| 588 | * Convert an array of certificates to an array of code signers. | ||
| 589 | * The array of certificates is a concatenation of certificate chains | ||
| 590 | * where the initial certificate in each chain is the end-entity cert. | ||
| 591 | * | ||
| 592 | * @return An array of code signers or null if none are generated. | ||
| 593 | */ | ||
| 594 | private CodeSigner[] convertCertArrayToSignerArray( | ||
| 595 | java.security.cert.Certificate[] certs) { | ||
| 596 | |||
| 597 | if (certs == null) { | ||
| 598 | return null; | ||
| 599 | } | ||
| 600 | |||
| 601 | try { | ||
| 602 | // Initialize certificate factory | ||
| 603 | if (factory == null) { | ||
| 604 | factory = CertificateFactory.getInstance("X.509"); | ||
| 605 | } | ||
| 606 | |||
| 607 | // Iterate through all the certificates | ||
| 608 | int i = 0; | ||
| 609 | List<CodeSigner> signers = new ArrayList<>(); | ||
| 610 | while (i < certs.length) { | ||
| 611 | List<java.security.cert.Certificate> certChain = | ||
| 612 | new ArrayList<>(); | ||
| 613 | certChain.add(certs[i++]); // first cert is an end-entity cert | ||
| 614 | int j = i; | ||
| 615 | |||
| 616 | // Extract chain of certificates | ||
| 617 | // (loop while certs are not end-entity certs) | ||
| 618 | while (j < certs.length && | ||
| 619 | certs[j] instanceof X509Certificate && | ||
| 620 | ((X509Certificate)certs[j]).getBasicConstraints() != -1) { | ||
| 621 | certChain.add(certs[j]); | ||
| 622 | j++; | ||
| 623 | } | ||
| 624 | i = j; | ||
| 625 | CertPath certPath = factory.generateCertPath(certChain); | ||
| 626 | signers.add(new CodeSigner(certPath, null)); | ||
| 627 | } | ||
| 628 | |||
| 629 | if (signers.isEmpty()) { | ||
| 630 | return null; | ||
| 631 | } else { | ||
| 632 | return signers.toArray(new CodeSigner[signers.size()]); | ||
| 633 | } | ||
| 634 | |||
| 635 | } catch (CertificateException e) { | ||
| 636 | return null; //TODO - may be better to throw an ex. here | ||
| 637 | } | ||
| 638 | } | ||
| 639 | } | ||