1/*
2 * libjingle
3 * Copyright 2012, The Libjingle Authors.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_BASE_FAKESSLIDENTITY_H_
29#define TALK_BASE_FAKESSLIDENTITY_H_
30
31#include <algorithm>
32#include <vector>
33
34#include "talk/base/messagedigest.h"
35#include "talk/base/sslidentity.h"
36
37namespace talk_base {
38
39class FakeSSLCertificate : public talk_base::SSLCertificate {
40 public:
41  explicit FakeSSLCertificate(const std::string& data) : data_(data) {}
42  explicit FakeSSLCertificate(const std::vector<std::string>& certs)
43      : data_(certs.front()) {
44    std::vector<std::string>::const_iterator it;
45    // Skip certs[0].
46    for (it = certs.begin() + 1; it != certs.end(); ++it) {
47      certs_.push_back(FakeSSLCertificate(*it));
48    }
49  }
50  virtual FakeSSLCertificate* GetReference() const {
51    return new FakeSSLCertificate(*this);
52  }
53  virtual std::string ToPEMString() const {
54    return data_;
55  }
56  virtual void ToDER(Buffer* der_buffer) const {
57    std::string der_string;
58    VERIFY(SSLIdentity::PemToDer(kPemTypeCertificate, data_, &der_string));
59    der_buffer->SetData(der_string.c_str(), der_string.size());
60  }
61  virtual bool GetSignatureDigestAlgorithm(std::string* algorithm) const {
62    // SHA-1 is chosen because it is available in all build configurations
63    // used for unit testing.
64    *algorithm = DIGEST_SHA_1;
65    return true;
66  }
67  virtual bool ComputeDigest(const std::string &algorithm,
68                             unsigned char *digest, std::size_t size,
69                             std::size_t *length) const {
70    *length = talk_base::ComputeDigest(algorithm, data_.c_str(), data_.size(),
71                                       digest, size);
72    return (*length != 0);
73  }
74  virtual bool GetChain(SSLCertChain** chain) const {
75    if (certs_.empty())
76      return false;
77    std::vector<SSLCertificate*> new_certs(certs_.size());
78    std::transform(certs_.begin(), certs_.end(), new_certs.begin(), DupCert);
79    *chain = new SSLCertChain(new_certs);
80    return true;
81  }
82
83 private:
84  static FakeSSLCertificate* DupCert(FakeSSLCertificate cert) {
85    return cert.GetReference();
86  }
87  std::string data_;
88  std::vector<FakeSSLCertificate> certs_;
89};
90
91class FakeSSLIdentity : public talk_base::SSLIdentity {
92 public:
93  explicit FakeSSLIdentity(const std::string& data) : cert_(data) {}
94  explicit FakeSSLIdentity(const FakeSSLCertificate& cert) : cert_(cert) {}
95  virtual FakeSSLIdentity* GetReference() const {
96    return new FakeSSLIdentity(*this);
97  }
98  virtual const FakeSSLCertificate& certificate() const { return cert_; }
99 private:
100  FakeSSLCertificate cert_;
101};
102
103}  // namespace talk_base
104
105#endif  // TALK_BASE_FAKESSLIDENTITY_H_
106