Paul Stewart | 5baebb7 | 2013-03-14 11:43:29 -0700 | [diff] [blame] | 1 | // Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef SHILL_CERTIFICATE_FILE_H_ |
| 6 | #define SHILL_CERTIFICATE_FILE_H_ |
| 7 | |
| 8 | #include <string> |
| 9 | |
| 10 | #include <base/file_path.h> |
| 11 | |
| 12 | namespace shill { |
| 13 | |
| 14 | class GLib; |
| 15 | |
| 16 | // Creates a scoped temporary file containing the DER or PEM |
| 17 | // equivalent of an input PEM-format certificate. When this object |
| 18 | // is destroyed (or a different file is created from the same object) |
| 19 | // the previous temporary file is destroyed. |
| 20 | class CertificateFile { |
| 21 | public: |
| 22 | explicit CertificateFile(GLib *glib); |
| 23 | virtual ~CertificateFile(); |
| 24 | |
| 25 | // Write out a PEM file from an input string in PEM format. |
| 26 | // Returns an empty path on failure. |
| 27 | virtual base::FilePath CreatePEMFromString(const std::string &pem_contents); |
| 28 | |
| 29 | // Write out a DER file from an input string in PEM format. |
| 30 | // Returns an empty path on failure. |
| 31 | virtual base::FilePath CreateDERFromString(const std::string &pem_contents); |
| 32 | |
| 33 | // Setters. |
| 34 | void set_root_directory(const base::FilePath &root_directory) { |
| 35 | root_directory_ = root_directory; |
| 36 | } |
| 37 | |
| 38 | private: |
| 39 | friend class CertificateFileTest; |
| 40 | |
| 41 | // Default root directory to create output files. |
| 42 | static const char kDefaultRootDirectory[]; |
| 43 | |
| 44 | // Start and end strings for a PEM certificate. |
| 45 | static const char kPEMHeader[]; |
| 46 | static const char kPEMFooter[]; |
| 47 | |
| 48 | // Removes the non-empty lines betweeen the PEM header and footer lines |
| 49 | // in |pem_data|, removing all leading and trailing whitespace. If |
| 50 | // neither a header nor a footer appears, assume they were not provided |
| 51 | // by the caller and return all non-empty lines. Returns the resulting |
| 52 | // inner portion on success, or an empty string otherwise. |
| 53 | static std::string ExtractHexData(const std::string &pem_data); |
| 54 | |
| 55 | // Creates a temporary output file with |output_data| in it. Returns the |
| 56 | // path the output data on success or an empty FilePath otherwise. |
| 57 | base::FilePath WriteFile(const std::string &output_data); |
| 58 | |
| 59 | // Root directory in which output new files will be created. |
| 60 | base::FilePath root_directory_; |
| 61 | |
| 62 | // File path for the created temporary file. |
| 63 | base::FilePath output_file_; |
| 64 | |
| 65 | // GLib instance. |
| 66 | GLib *glib_; |
| 67 | |
| 68 | DISALLOW_COPY_AND_ASSIGN(CertificateFile); |
| 69 | }; |
| 70 | |
| 71 | } // namespace shill |
| 72 | |
| 73 | #endif // SHILL_CERTIFICATE_FILE_H_ |