1 // 2 // Copyright (C) 2013 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef SHILL_CERTIFICATE_FILE_H_ 18 #define SHILL_CERTIFICATE_FILE_H_ 19 20 #include <string> 21 #include <vector> 22 23 #include <base/files/file_path.h> 24 25 namespace shill { 26 27 // Creates a scoped temporary file containing the DER or PEM 28 // equivalent of an input PEM-format certificate. When this object 29 // is destroyed (or a different file is created from the same object) 30 // the previous temporary file is destroyed. 31 class CertificateFile { 32 public: 33 CertificateFile(); 34 virtual ~CertificateFile(); 35 36 // Write out a PEM file from an input vector of strings in PEM format. 37 // Returns an empty path on failure. 38 virtual base::FilePath CreatePEMFromStrings( 39 const std::vector<std::string>& pem_contents); 40 41 // Setters. 42 void set_root_directory(const base::FilePath& root_directory) { 43 root_directory_ = root_directory; 44 } 45 46 private: 47 friend class CertificateFileTest; 48 49 // Default root directory to create output files. 50 static const char kDefaultRootDirectory[]; 51 52 // Start and end strings for a PEM certificate. 53 static const char kPEMHeader[]; 54 static const char kPEMFooter[]; 55 56 // Removes the non-empty lines betweeen the PEM header and footer lines 57 // in |pem_data|, removing all leading and trailing whitespace. If 58 // neither a header nor a footer appears, assume they were not provided 59 // by the caller and return all non-empty lines. Returns the resulting 60 // inner portion on success, or an empty string otherwise. 61 static std::string ExtractHexData(const std::string& pem_data); 62 63 // Creates a temporary output file with |output_data| in it. Returns the 64 // path the output data on success or an empty FilePath otherwise. 65 base::FilePath WriteFile(const std::string& output_data); 66 67 // Root directory in which output new files will be created. 68 base::FilePath root_directory_; 69 70 // File path for the created temporary file. 71 base::FilePath output_file_; 72 73 DISALLOW_COPY_AND_ASSIGN(CertificateFile); 74 }; 75 76 } // namespace shill 77 78 #endif // SHILL_CERTIFICATE_FILE_H_ 79
