1
14
15 package com.liferay.portal.util;
16
17 import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayOutputStream;
18 import com.liferay.portal.kernel.log.Log;
19 import com.liferay.portal.kernel.log.LogFactoryUtil;
20 import com.liferay.portal.kernel.servlet.HttpHeaders;
21 import com.liferay.portal.kernel.util.ContentTypes;
22 import com.liferay.portal.kernel.util.FileUtil;
23 import com.liferay.portal.kernel.util.GetterUtil;
24 import com.liferay.portal.kernel.util.Http;
25 import com.liferay.portal.kernel.util.StringBundler;
26 import com.liferay.portal.kernel.util.StringPool;
27 import com.liferay.portal.kernel.util.StringUtil;
28 import com.liferay.portal.kernel.util.Validator;
29 import com.liferay.util.SystemProperties;
30
31 import java.io.IOException;
32 import java.io.InputStream;
33 import java.io.UnsupportedEncodingException;
34
35 import java.net.InetAddress;
36 import java.net.URL;
37 import java.net.URLConnection;
38 import java.net.URLDecoder;
39 import java.net.URLEncoder;
40
41 import java.util.ArrayList;
42 import java.util.Date;
43 import java.util.LinkedHashMap;
44 import java.util.List;
45 import java.util.Map;
46 import java.util.StringTokenizer;
47 import java.util.regex.Pattern;
48
49 import javax.portlet.ActionRequest;
50 import javax.portlet.RenderRequest;
51
52 import javax.servlet.http.Cookie;
53 import javax.servlet.http.HttpServletRequest;
54
55 import org.apache.commons.httpclient.Credentials;
56 import org.apache.commons.httpclient.Header;
57 import org.apache.commons.httpclient.HostConfiguration;
58 import org.apache.commons.httpclient.HttpClient;
59 import org.apache.commons.httpclient.HttpMethod;
60 import org.apache.commons.httpclient.HttpState;
61 import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
62 import org.apache.commons.httpclient.NTCredentials;
63 import org.apache.commons.httpclient.NameValuePair;
64 import org.apache.commons.httpclient.URI;
65 import org.apache.commons.httpclient.UsernamePasswordCredentials;
66 import org.apache.commons.httpclient.auth.AuthPolicy;
67 import org.apache.commons.httpclient.auth.AuthScope;
68 import org.apache.commons.httpclient.cookie.CookiePolicy;
69 import org.apache.commons.httpclient.methods.DeleteMethod;
70 import org.apache.commons.httpclient.methods.EntityEnclosingMethod;
71 import org.apache.commons.httpclient.methods.GetMethod;
72 import org.apache.commons.httpclient.methods.HeadMethod;
73 import org.apache.commons.httpclient.methods.PostMethod;
74 import org.apache.commons.httpclient.methods.PutMethod;
75 import org.apache.commons.httpclient.methods.RequestEntity;
76 import org.apache.commons.httpclient.methods.StringRequestEntity;
77 import org.apache.commons.httpclient.params.HttpClientParams;
78 import org.apache.commons.httpclient.params.HttpConnectionParams;
79
80
85 public class HttpImpl implements Http {
86
87 public HttpImpl() {
88
89
92 if (Validator.isNotNull(_NON_PROXY_HOSTS)) {
93 String nonProxyHostsRegEx = _NON_PROXY_HOSTS;
94
95 nonProxyHostsRegEx = nonProxyHostsRegEx.replaceAll(
96 "\\.", "\\\\.");
97 nonProxyHostsRegEx = nonProxyHostsRegEx.replaceAll(
98 "\\*", ".*?");
99 nonProxyHostsRegEx = nonProxyHostsRegEx.replaceAll(
100 "\\|", ")|(");
101
102 nonProxyHostsRegEx = "(" + nonProxyHostsRegEx + ")";
103
104 _nonProxyHostsPattern = Pattern.compile(nonProxyHostsRegEx);
105 }
106
107 MultiThreadedHttpConnectionManager httpConnectionManager =
108 new MultiThreadedHttpConnectionManager();
109
110 HttpConnectionParams params = httpConnectionManager.getParams();
111
112 params.setParameter(
113 "maxConnectionsPerHost", new Integer(_MAX_CONNECTIONS_PER_HOST));
114 params.setParameter(
115 "maxTotalConnections", new Integer(_MAX_TOTAL_CONNECTIONS));
116 params.setConnectionTimeout(_TIMEOUT);
117 params.setSoTimeout(_TIMEOUT);
118
119 _client.setHttpConnectionManager(httpConnectionManager);
120 _proxyClient.setHttpConnectionManager(httpConnectionManager);
121
122 if (hasProxyConfig() && Validator.isNotNull(_PROXY_USERNAME)) {
123 if (_PROXY_AUTH_TYPE.equals("username-password")) {
124 _proxyCredentials = new UsernamePasswordCredentials(
125 _PROXY_USERNAME, _PROXY_PASSWORD);
126 }
127 else if (_PROXY_AUTH_TYPE.equals("ntlm")) {
128 _proxyCredentials = new NTCredentials(
129 _PROXY_USERNAME, _PROXY_PASSWORD, _PROXY_NTLM_HOST,
130 _PROXY_NTLM_DOMAIN);
131
132 List<String> authPrefs = new ArrayList<String>();
133
134 authPrefs.add(AuthPolicy.NTLM);
135 authPrefs.add(AuthPolicy.BASIC);
136 authPrefs.add(AuthPolicy.DIGEST);
137
138 _proxyClient.getParams().setParameter(
139 AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs);
140 }
141 }
142 }
143
144 public String addParameter(String url, String name, boolean value) {
145 return addParameter(url, name, String.valueOf(value));
146 }
147
148 public String addParameter(String url, String name, double value) {
149 return addParameter(url, name, String.valueOf(value));
150 }
151
152 public String addParameter(String url, String name, int value) {
153 return addParameter(url, name, String.valueOf(value));
154 }
155
156 public String addParameter(String url, String name, long value) {
157 return addParameter(url, name, String.valueOf(value));
158 }
159
160 public String addParameter(String url, String name, short value) {
161 return addParameter(url, name, String.valueOf(value));
162 }
163
164 public String addParameter(String url, String name, String value) {
165 if (url == null) {
166 return null;
167 }
168
169 String anchor = StringPool.BLANK;
170
171 int pos = url.indexOf(StringPool.POUND);
172
173 if (pos != -1) {
174 anchor = url.substring(pos);
175 url = url.substring(0, pos);
176 }
177
178 if (url.indexOf(StringPool.QUESTION) == -1) {
179 url += StringPool.QUESTION;
180 }
181
182 if (!url.endsWith(StringPool.QUESTION) &&
183 !url.endsWith(StringPool.AMPERSAND)) {
184
185 url += StringPool.AMPERSAND;
186 }
187
188 return url + name + StringPool.EQUAL + encodeURL(value) + anchor;
189 }
190
191 public String decodeURL(String url) {
192 return decodeURL(url, false);
193 }
194
195 public String decodeURL(String url, boolean unescapeSpace) {
196 if (url == null) {
197 return null;
198 }
199
200 try {
201 url = URLDecoder.decode(url, StringPool.UTF8);
202
203 if (unescapeSpace) {
204 url = StringUtil.replace(url, "%20", StringPool.PLUS);
205 }
206
207 return url;
208 }
209 catch (UnsupportedEncodingException uee) {
210 _log.error(uee, uee);
211
212 return StringPool.BLANK;
213 }
214 }
215
216 public void destroy() {
217 MultiThreadedHttpConnectionManager.shutdownAll();
218 }
219
220 public String encodeURL(String url) {
221 return encodeURL(url, false);
222 }
223
224 public String encodeURL(String url, boolean escapeSpaces) {
225 if (url == null) {
226 return null;
227 }
228
229 try {
230 url = URLEncoder.encode(url, StringPool.UTF8);
231
232 if (escapeSpaces) {
233 url = StringUtil.replace(url, StringPool.PLUS, "%20");
234 }
235
236 return url;
237 }
238 catch (UnsupportedEncodingException uee) {
239 _log.error(uee, uee);
240
241 return StringPool.BLANK;
242 }
243 }
244
245 public HttpClient getClient(HostConfiguration hostConfig) {
246 if (isProxyHost(hostConfig.getHost())) {
247 return _proxyClient;
248 }
249 else {
250 return _client;
251 }
252 }
253
254 public String getCompleteURL(HttpServletRequest request) {
255 StringBuffer sb = request.getRequestURL();
256
257 if (sb == null) {
258 sb = new StringBuffer();
259 }
260
261 if (request.getQueryString() != null) {
262 sb.append(StringPool.QUESTION);
263 sb.append(request.getQueryString());
264 }
265
266 String completeURL = sb.toString();
267
268 if (_log.isWarnEnabled()) {
269 if (completeURL.contains("?&")) {
270 _log.warn("Invalid url " + completeURL);
271 }
272 }
273
274 return completeURL;
275 }
276
277 public Cookie[] getCookies() {
278 return _cookies.get();
279 }
280
281 public String getDomain(String url) {
282 url = removeProtocol(url);
283
284 int pos = url.indexOf(StringPool.SLASH);
285
286 if (pos != -1) {
287 return url.substring(0, pos);
288 }
289 else {
290 return url;
291 }
292 }
293
294 public HostConfiguration getHostConfig(String location) throws IOException {
295 if (_log.isDebugEnabled()) {
296 _log.debug("Location is " + location);
297 }
298
299 HostConfiguration hostConfig = new HostConfiguration();
300
301 hostConfig.setHost(new URI(location, false));
302
303 if (isProxyHost(hostConfig.getHost())) {
304 hostConfig.setProxy(_PROXY_HOST, _PROXY_PORT);
305 }
306
307 return hostConfig;
308 }
309
310 public String getIpAddress(String url) {
311 try {
312 URL urlObj = new URL(url);
313
314 InetAddress address = InetAddress.getByName(urlObj.getHost());
315
316 return address.getHostAddress();
317 }
318 catch (Exception e) {
319 return url;
320 }
321 }
322
323 public String getParameter(String url, String name) {
324 return getParameter(url, name, true);
325 }
326
327 public String getParameter(String url, String name, boolean escaped) {
328 if (Validator.isNull(url) || Validator.isNull(name)) {
329 return StringPool.BLANK;
330 }
331
332 String[] parts = StringUtil.split(url, StringPool.QUESTION);
333
334 if (parts.length == 2) {
335 String[] params = null;
336
337 if (escaped) {
338 params = StringUtil.split(parts[1], "&");
339 }
340 else {
341 params = StringUtil.split(parts[1], StringPool.AMPERSAND);
342 }
343
344 for (int i = 0; i < params.length; i++) {
345 String[] kvp = StringUtil.split(params[i], StringPool.EQUAL);
346
347 if ((kvp.length == 2) && kvp[0].equals(name)) {
348 return kvp[1];
349 }
350 }
351 }
352
353 return StringPool.BLANK;
354 }
355
356 public Map<String, String[]> getParameterMap(String queryString) {
357 return parameterMapFromString(queryString);
358 }
359
360 public String getProtocol(ActionRequest actionRequest) {
361 return getProtocol(actionRequest.isSecure());
362 }
363
364 public String getProtocol(boolean secure) {
365 if (!secure) {
366 return Http.HTTP;
367 }
368 else {
369 return Http.HTTPS;
370 }
371 }
372
373 public String getProtocol(HttpServletRequest request) {
374 return getProtocol(request.isSecure());
375 }
376
377 public String getProtocol(RenderRequest renderRequest) {
378 return getProtocol(renderRequest.isSecure());
379 }
380
381 public String getProtocol(String url) {
382 int pos = url.indexOf(Http.PROTOCOL_DELIMITER);
383
384 if (pos != -1) {
385 return url.substring(0, pos);
386 }
387 else {
388 return Http.HTTP;
389 }
390 }
391
392 public String getQueryString(String url) {
393 if (Validator.isNull(url)) {
394 return url;
395 }
396
397 int pos = url.indexOf(StringPool.QUESTION);
398
399 if (pos == -1) {
400 return StringPool.BLANK;
401 }
402 else {
403 return url.substring(pos + 1, url.length());
404 }
405 }
406
407 public String getRequestURL(HttpServletRequest request) {
408 return request.getRequestURL().toString();
409 }
410
411 public boolean hasDomain(String url) {
412 return Validator.isNotNull(getDomain(url));
413 }
414
415 public boolean hasProtocol(String url) {
416 int pos = url.indexOf(Http.PROTOCOL_DELIMITER);
417
418 if (pos != -1) {
419 return true;
420 }
421 else {
422 return false;
423 }
424 }
425
426 public boolean hasProxyConfig() {
427 if (Validator.isNotNull(_PROXY_HOST) && (_PROXY_PORT > 0)) {
428 return true;
429 }
430 else {
431 return false;
432 }
433 }
434
435 public boolean isNonProxyHost(String host) {
436 if (_nonProxyHostsPattern == null ||
437 _nonProxyHostsPattern.matcher(host).matches()) {
438
439 return true;
440 }
441 else {
442 return false;
443 }
444 }
445
446 public boolean isProxyHost(String host) {
447 if (hasProxyConfig() && !isNonProxyHost(host)) {
448 return true;
449 }
450 else {
451 return false;
452 }
453 }
454
455 public Map<String, String[]> parameterMapFromString(String queryString) {
456 Map<String, String[]> parameterMap =
457 new LinkedHashMap<String, String[]>();
458
459 if (Validator.isNull(queryString)) {
460 return parameterMap;
461 }
462
463 Map<String, List<String>> tempParameterMap =
464 new LinkedHashMap<String, List<String>>();
465
466 StringTokenizer st = new StringTokenizer(
467 queryString, StringPool.AMPERSAND);
468
469 while (st.hasMoreTokens()) {
470 String token = st.nextToken();
471
472 if (Validator.isNotNull(token)) {
473 String[] kvp = StringUtil.split(token, StringPool.EQUAL);
474
475 String key = kvp[0];
476
477 String value = StringPool.BLANK;
478
479 if (kvp.length > 1) {
480 value = kvp[1];
481 }
482
483 List<String> values = tempParameterMap.get(key);
484
485 if (values == null) {
486 values = new ArrayList<String>();
487
488 tempParameterMap.put(key, values);
489 }
490
491 values.add(value);
492 }
493 }
494
495 for (Map.Entry<String, List<String>> entry :
496 tempParameterMap.entrySet()) {
497
498 String key = entry.getKey();
499 List<String> values = entry.getValue();
500
501 parameterMap.put(key, values.toArray(new String[values.size()]));
502 }
503
504 return parameterMap;
505 }
506
507 public String parameterMapToString(Map<String, String[]> parameterMap) {
508 return parameterMapToString(parameterMap, true);
509 }
510
511 public String parameterMapToString(
512 Map<String, String[]> parameterMap, boolean addQuestion) {
513
514 StringBundler sb = new StringBundler();
515
516 if (parameterMap.size() > 0) {
517 if (addQuestion) {
518 sb.append(StringPool.QUESTION);
519 }
520
521 for (Map.Entry<String, String[]> entry : parameterMap.entrySet()) {
522 String name = entry.getKey();
523 String[] values = entry.getValue();
524
525 for (String value : values) {
526 sb.append(name);
527 sb.append(StringPool.EQUAL);
528 sb.append(encodeURL(value));
529 sb.append(StringPool.AMPERSAND);
530 }
531 }
532
533 if (sb.index() > 1) {
534 sb.setIndex(sb.index() - 1);
535 }
536 }
537
538 return sb.toString();
539 }
540
541 public String protocolize(String url, ActionRequest actionRequest) {
542 return protocolize(url, actionRequest.isSecure());
543 }
544
545 public String protocolize(String url, boolean secure) {
546 if (secure) {
547 if (url.startsWith(Http.HTTP_WITH_SLASH)) {
548 return StringUtil.replace(
549 url, Http.HTTP_WITH_SLASH, Http.HTTPS_WITH_SLASH);
550 }
551 }
552 else {
553 if (url.startsWith(Http.HTTPS_WITH_SLASH)) {
554 return StringUtil.replace(
555 url, Http.HTTPS_WITH_SLASH, Http.HTTP_WITH_SLASH);
556 }
557 }
558
559 return url;
560 }
561
562 public String protocolize(String url, HttpServletRequest request) {
563 return protocolize(url, request.isSecure());
564 }
565
566 public String protocolize(String url, RenderRequest renderRequest) {
567 return protocolize(url, renderRequest.isSecure());
568 }
569
570 public String removeDomain(String url) {
571 url = removeProtocol(url);
572
573 int pos = url.indexOf(StringPool.SLASH);
574
575 if (pos > 0) {
576 return url.substring(pos);
577 }
578 else {
579 return url;
580 }
581 }
582
583 public String removeParameter(String url, String name) {
584 int pos = url.indexOf(StringPool.QUESTION);
585
586 if (pos == -1) {
587 return url;
588 }
589
590 String anchor = StringPool.BLANK;
591
592 int anchorPos = url.indexOf(StringPool.POUND);
593
594 if (anchorPos != -1) {
595 anchor = url.substring(anchorPos);
596 url = url.substring(0, anchorPos);
597 }
598
599 StringBundler sb = new StringBundler();
600
601 sb.append(url.substring(0, pos + 1));
602
603 StringTokenizer st = new StringTokenizer(
604 url.substring(pos + 1, url.length()), StringPool.AMPERSAND);
605
606 while (st.hasMoreTokens()) {
607 String token = st.nextToken();
608
609 if (Validator.isNotNull(token)) {
610 String[] kvp = StringUtil.split(token, StringPool.EQUAL);
611
612 String key = kvp[0];
613
614 String value = StringPool.BLANK;
615
616 if (kvp.length > 1) {
617 value = kvp[1];
618 }
619
620 if (!key.equals(name)) {
621 sb.append(key);
622 sb.append(StringPool.EQUAL);
623 sb.append(value);
624 sb.append(StringPool.AMPERSAND);
625 }
626 }
627 }
628
629 url = StringUtil.replace(
630 sb.toString(), StringPool.AMPERSAND + StringPool.AMPERSAND,
631 StringPool.AMPERSAND);
632
633 if (url.endsWith(StringPool.AMPERSAND)) {
634 url = url.substring(0, url.length() - 1);
635 }
636
637 if (url.endsWith(StringPool.QUESTION)) {
638 url = url.substring(0, url.length() - 1);
639 }
640
641 return url + anchor;
642 }
643
644 public String removeProtocol(String url) {
645 if (url.startsWith(Http.HTTP_WITH_SLASH)) {
646 return url.substring(Http.HTTP_WITH_SLASH.length() , url.length());
647 }
648 else if (url.startsWith(Http.HTTPS_WITH_SLASH)) {
649 return url.substring(Http.HTTPS_WITH_SLASH.length() , url.length());
650 }
651 else {
652 return url;
653 }
654 }
655
656 public String setParameter(String url, String name, boolean value) {
657 return setParameter(url, name, String.valueOf(value));
658 }
659
660 public String setParameter(String url, String name, double value) {
661 return setParameter(url, name, String.valueOf(value));
662 }
663
664 public String setParameter(String url, String name, int value) {
665 return setParameter(url, name, String.valueOf(value));
666 }
667
668 public String setParameter(String url, String name, long value) {
669 return setParameter(url, name, String.valueOf(value));
670 }
671
672 public String setParameter(String url, String name, short value) {
673 return setParameter(url, name, String.valueOf(value));
674 }
675
676 public String setParameter(String url, String name, String value) {
677 if (url == null) {
678 return null;
679 }
680
681 url = removeParameter(url, name);
682
683 return addParameter(url, name, value);
684 }
685
686 public byte[] URLtoByteArray(Http.Options options) throws IOException {
687 return URLtoByteArray(
688 options.getLocation(), options.getMethod(), options.getHeaders(),
689 options.getCookies(), options.getAuth(), options.getBody(),
690 options.getParts(), options.getResponse(),
691 options.isFollowRedirects());
692 }
693
694 public byte[] URLtoByteArray(String location) throws IOException {
695 Http.Options options = new Http.Options();
696
697 options.setLocation(location);
698
699 return URLtoByteArray(options);
700 }
701
702 public byte[] URLtoByteArray(String location, boolean post)
703 throws IOException {
704
705 Http.Options options = new Http.Options();
706
707 options.setLocation(location);
708 options.setPost(post);
709
710 return URLtoByteArray(options);
711 }
712
713 public String URLtoString(Http.Options options) throws IOException {
714 return new String(URLtoByteArray(options));
715 }
716
717 public String URLtoString(String location) throws IOException {
718 return new String(URLtoByteArray(location));
719 }
720
721 public String URLtoString(String location, boolean post)
722 throws IOException {
723
724 return new String(URLtoByteArray(location, post));
725 }
726
727
736 public String URLtoString(URL url) throws IOException {
737 String xml = null;
738
739 if (url != null) {
740 String protocol = url.getProtocol().toLowerCase();
741
742 if (protocol.startsWith(Http.HTTP) ||
743 protocol.startsWith(Http.HTTPS)) {
744
745 return URLtoString(url.toString());
746 }
747
748 URLConnection con = url.openConnection();
749
750 InputStream is = con.getInputStream();
751
752 UnsyncByteArrayOutputStream ubaos =
753 new UnsyncByteArrayOutputStream();
754 byte[] bytes = new byte[512];
755
756 for (int i = is.read(bytes, 0, 512); i != -1;
757 i = is.read(bytes, 0, 512)) {
758
759 ubaos.write(bytes, 0, i);
760 }
761
762 xml = new String(ubaos.unsafeGetByteArray(), 0, ubaos.size());
763
764 is.close();
765 ubaos.close();
766 }
767
768 return xml;
769 }
770
771 protected void proxifyState(HttpState state, HostConfiguration hostConfig) {
772 Credentials proxyCredentials = _proxyCredentials;
773
774 String host = hostConfig.getHost();
775
776 if (isProxyHost(host) && (proxyCredentials != null)) {
777 AuthScope scope = new AuthScope(_PROXY_HOST, _PROXY_PORT, null);
778
779 state.setProxyCredentials(scope, proxyCredentials);
780 }
781 }
782
783 protected org.apache.commons.httpclient.Cookie toCommonsCookie(
784 Cookie cookie) {
785
786 org.apache.commons.httpclient.Cookie commonsCookie =
787 new org.apache.commons.httpclient.Cookie(
788 cookie.getDomain(), cookie.getName(), cookie.getValue(),
789 cookie.getPath(), cookie.getMaxAge(), cookie.getSecure());
790
791 commonsCookie.setVersion(cookie.getVersion());
792
793 return commonsCookie;
794 }
795
796 protected org.apache.commons.httpclient.Cookie[] toCommonsCookies(
797 Cookie[] cookies) {
798
799 if (cookies == null) {
800 return null;
801 }
802
803 org.apache.commons.httpclient.Cookie[] commonCookies =
804 new org.apache.commons.httpclient.Cookie[cookies.length];
805
806 for (int i = 0; i < cookies.length; i++) {
807 commonCookies[i] = toCommonsCookie(cookies[i]);
808 }
809
810 return commonCookies;
811 }
812
813 protected Cookie toServletCookie(
814 org.apache.commons.httpclient.Cookie commonsCookie) {
815
816 Cookie cookie = new Cookie(
817 commonsCookie.getName(), commonsCookie.getValue());
818
819 cookie.setDomain(commonsCookie.getDomain());
820
821 Date expiryDate = commonsCookie.getExpiryDate();
822
823 if (expiryDate != null) {
824 int maxAge =
825 (int)(expiryDate.getTime() - System.currentTimeMillis());
826
827 maxAge = maxAge / 1000;
828
829 if (maxAge > -1) {
830 cookie.setMaxAge(maxAge);
831 }
832 }
833
834 cookie.setPath(commonsCookie.getPath());
835 cookie.setSecure(commonsCookie.getSecure());
836 cookie.setVersion(commonsCookie.getVersion());
837
838 return cookie;
839 }
840
841 protected Cookie[] toServletCookies(
842 org.apache.commons.httpclient.Cookie[] commonsCookies) {
843
844 if (commonsCookies == null) {
845 return null;
846 }
847
848 Cookie[] cookies = new Cookie[commonsCookies.length];
849
850 for (int i = 0; i < commonsCookies.length; i++) {
851 cookies[i] = toServletCookie(commonsCookies[i]);
852 }
853
854 return cookies;
855 }
856
857 protected byte[] URLtoByteArray(
858 String location, Http.Method method, Map<String, String> headers,
859 Cookie[] cookies, Http.Auth auth, Http.Body body, Map<String,
860 String> parts, Http.Response response, boolean followRedirects)
861 throws IOException {
862
863 byte[] bytes = null;
864
865 HttpMethod httpMethod = null;
866 HttpState httpState = null;
867
868 try {
869 _cookies.set(null);
870
871 if (location == null) {
872 return bytes;
873 }
874 else if (!location.startsWith(Http.HTTP_WITH_SLASH) &&
875 !location.startsWith(Http.HTTPS_WITH_SLASH)) {
876
877 location = Http.HTTP_WITH_SLASH + location;
878 }
879
880 HostConfiguration hostConfig = getHostConfig(location);
881
882 HttpClient httpClient = getClient(hostConfig);
883
884 if ((method == Http.Method.POST) ||
885 (method == Http.Method.PUT)) {
886
887 if (method == Http.Method.POST) {
888 httpMethod = new PostMethod(location);
889 }
890 else {
891 httpMethod = new PutMethod(location);
892 }
893
894 if (body != null) {
895 RequestEntity requestEntity = new StringRequestEntity(
896 body.getContent(), body.getContentType(),
897 body.getCharset());
898
899 EntityEnclosingMethod entityEnclosingMethod =
900 (EntityEnclosingMethod)httpMethod;
901
902 entityEnclosingMethod.setRequestEntity(requestEntity);
903 }
904 else if ((parts != null) && (parts.size() > 0) &&
905 (method == Http.Method.POST)) {
906
907 List<NameValuePair> nvpList =
908 new ArrayList<NameValuePair>();
909
910 for (Map.Entry<String, String> entry : parts.entrySet()) {
911 String key = entry.getKey();
912 String value = entry.getValue();
913
914 if (value != null) {
915 nvpList.add(new NameValuePair(key, value));
916 }
917 }
918
919 NameValuePair[] nvpArray = nvpList.toArray(
920 new NameValuePair[nvpList.size()]);
921
922 PostMethod postMethod = (PostMethod)httpMethod;
923
924 postMethod.setRequestBody(nvpArray);
925 }
926 }
927 else if (method == Http.Method.DELETE) {
928 httpMethod = new DeleteMethod(location);
929 }
930 else if (method == Http.Method.HEAD) {
931 httpMethod = new HeadMethod(location);
932 }
933 else {
934 httpMethod = new GetMethod(location);
935 }
936
937 if (headers != null) {
938 for (Map.Entry<String, String> header : headers.entrySet()) {
939 httpMethod.addRequestHeader(
940 header.getKey(), header.getValue());
941 }
942 }
943
944 if ((method == Http.Method.POST) || (method == Http.Method.PUT) &&
945 (body != null)) {
946 }
947 else if (!_hasRequestHeader(httpMethod, HttpHeaders.CONTENT_TYPE)) {
948 httpMethod.addRequestHeader(
949 HttpHeaders.CONTENT_TYPE,
950 ContentTypes.APPLICATION_X_WWW_FORM_URLENCODED);
951 }
952
953 if (!_hasRequestHeader(httpMethod, HttpHeaders.USER_AGENT)) {
954 httpMethod.addRequestHeader(
955 HttpHeaders.USER_AGENT, _DEFAULT_USER_AGENT);
956 }
957
958 httpMethod.getParams().setIntParameter(
959 HttpClientParams.SO_TIMEOUT, 0);
960
961 httpState = new HttpState();
962
963 if ((cookies != null) && (cookies.length > 0)) {
964 org.apache.commons.httpclient.Cookie[] commonsCookies =
965 toCommonsCookies(cookies);
966
967 httpState.addCookies(commonsCookies);
968
969 httpMethod.getParams().setCookiePolicy(
970 CookiePolicy.BROWSER_COMPATIBILITY);
971 }
972
973 if (auth != null) {
974 httpMethod.setDoAuthentication(true);
975
976 httpState.setCredentials(
977 new AuthScope(
978 auth.getHost(), auth.getPort(), auth.getRealm()),
979 new UsernamePasswordCredentials(
980 auth.getUsername(), auth.getPassword()));
981 }
982
983 proxifyState(httpState, hostConfig);
984
985 httpClient.executeMethod(hostConfig, httpMethod, httpState);
986
987 Header locationHeader = httpMethod.getResponseHeader("location");
988
989 if ((locationHeader != null) && !locationHeader.equals(location)) {
990 String redirect = locationHeader.getValue();
991
992 if (followRedirects) {
993 return URLtoByteArray(
994 redirect, Http.Method.GET, headers,
995 cookies, auth, body, parts, response, followRedirects);
996 }
997 else {
998 response.setRedirect(redirect);
999 }
1000 }
1001
1002 InputStream is = httpMethod.getResponseBodyAsStream();
1003
1004 if (is != null) {
1005 Header contentLength = httpMethod.getResponseHeader(
1006 HttpHeaders.CONTENT_LENGTH);
1007
1008 if (contentLength != null) {
1009 response.setContentLength(
1010 GetterUtil.getInteger(contentLength.getValue()));
1011 }
1012
1013 Header contentType = httpMethod.getResponseHeader(
1014 HttpHeaders.CONTENT_TYPE);
1015
1016 if (contentType != null) {
1017 response.setContentType(contentType.getValue());
1018 }
1019
1020 bytes = FileUtil.getBytes(is);
1021
1022 is.close();
1023 }
1024
1025 for (Header header : httpMethod.getResponseHeaders()) {
1026 response.addHeader(header.getName(), header.getValue());
1027 }
1028
1029 return bytes;
1030 }
1031 finally {
1032 try {
1033 if (httpState != null) {
1034 _cookies.set(toServletCookies(httpState.getCookies()));
1035 }
1036 }
1037 catch (Exception e) {
1038 _log.error(e, e);
1039 }
1040
1041 try {
1042 if (httpMethod != null) {
1043 httpMethod.releaseConnection();
1044 }
1045 }
1046 catch (Exception e) {
1047 _log.error(e, e);
1048 }
1049 }
1050 }
1051
1052 private boolean _hasRequestHeader(HttpMethod httpMethod, String name) {
1053 if (httpMethod.getRequestHeaders(name).length == 0) {
1054 return false;
1055 }
1056 else {
1057 return true;
1058 }
1059 }
1060
1061 private static final String _DEFAULT_USER_AGENT =
1062 "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
1063
1064 private static final int _MAX_CONNECTIONS_PER_HOST = GetterUtil.getInteger(
1065 PropsUtil.get(HttpImpl.class.getName() + ".max.connections.per.host"),
1066 2);
1067
1068 private static final int _MAX_TOTAL_CONNECTIONS = GetterUtil.getInteger(
1069 PropsUtil.get(HttpImpl.class.getName() + ".max.total.connections"),
1070 20);
1071
1072 private static final String _NON_PROXY_HOSTS =
1073 SystemProperties.get("http.nonProxyHosts");
1074
1075 private static final String _PROXY_AUTH_TYPE = GetterUtil.getString(
1076 PropsUtil.get(HttpImpl.class.getName() + ".proxy.auth.type"));
1077
1078 private static final String _PROXY_HOST = GetterUtil.getString(
1079 SystemProperties.get("http.proxyHost"));
1080
1081 private static final String _PROXY_NTLM_DOMAIN = GetterUtil.getString(
1082 PropsUtil.get(HttpImpl.class.getName() + ".proxy.ntlm.domain"));
1083
1084 private static final String _PROXY_NTLM_HOST = GetterUtil.getString(
1085 PropsUtil.get(HttpImpl.class.getName() + ".proxy.ntlm.host"));
1086
1087 private static final String _PROXY_PASSWORD = GetterUtil.getString(
1088 PropsUtil.get(HttpImpl.class.getName() + ".proxy.password"));
1089
1090 private static final int _PROXY_PORT = GetterUtil.getInteger(
1091 SystemProperties.get("http.proxyPort"));
1092
1093 private static final String _PROXY_USERNAME = GetterUtil.getString(
1094 PropsUtil.get(HttpImpl.class.getName() + ".proxy.username"));
1095
1096 private static final int _TIMEOUT = GetterUtil.getInteger(
1097 PropsUtil.get(HttpImpl.class.getName() + ".timeout"), 5000);
1098
1099 private static Log _log = LogFactoryUtil.getLog(HttpImpl.class);
1100
1101 private static ThreadLocal<Cookie[]> _cookies = new ThreadLocal<Cookie[]>();
1102
1103 private HttpClient _client = new HttpClient();
1104 private Pattern _nonProxyHostsPattern;
1105 private HttpClient _proxyClient = new HttpClient();
1106 private Credentials _proxyCredentials;
1107
1108}