1 | |
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2 | /* |
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3 | Copyright 2013 Willem Vermin, SURFsara |
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4 | |
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5 | Licensed under the Apache License, Version 2.0 (the "License"); |
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6 | you may not use this file except in compliance with the License. |
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7 | You may obtain a copy of the License at |
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8 | |
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9 | http://www.apache.org/licenses/LICENSE-2.0 |
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10 | |
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11 | Unless required by applicable law or agreed to in writing, software |
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12 | distributed under the License is distributed on an "AS IS" BASIS, |
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13 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | See the License for the specific language governing permissions and |
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15 | limitations under the License. |
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16 | */ |
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17 | #include <iostream> |
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18 | #include <string> |
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19 | #include "stopos.h" |
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20 | #include "wrequest.h" |
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21 | #include <stdlib.h> |
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22 | #include <curl/curl.h> |
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23 | #include <fstream> |
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24 | #include <sys/stat.h> |
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25 | #include <sys/types.h> |
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26 | #include <errno.h> |
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27 | |
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28 | //constructor |
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29 | wrequest::wrequest(void) |
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30 | { |
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31 | this->set_configfilename(); |
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32 | curl_global_init(CURL_GLOBAL_ALL); |
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33 | this->curl = curl_easy_init(); |
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34 | this->debugging = 0; |
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35 | } |
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36 | |
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37 | //destructor |
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38 | wrequest::~wrequest() |
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39 | { |
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40 | curl_easy_cleanup(curl); |
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41 | curl_global_cleanup(); |
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42 | } |
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43 | |
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44 | void wrequest::set_configfilename(void) |
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45 | { |
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46 | char *h = getenv("HOME"); |
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47 | std::string home; |
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48 | if (h == 0) |
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49 | home = "/"; |
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50 | else |
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51 | home = h; |
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52 | this->configdirname = home + "/.stopos"; |
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53 | this->configfilename = this->configdirname + "/id"; |
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54 | } |
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55 | |
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56 | int wrequest::read_config(void) |
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57 | { |
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58 | int rc = get_file_contents(this->config,this->configfilename); |
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59 | if (rc == 0) |
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60 | { |
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61 | size_t p= this->config.find_first_of('\n'); |
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62 | if (p != this->config.npos) |
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63 | this->config.resize(p); |
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64 | return 0; |
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65 | } |
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66 | else |
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67 | return 1; |
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68 | } |
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69 | |
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70 | int wrequest::write_config(void) |
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71 | { |
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72 | std::ofstream f; |
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73 | int rc; |
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74 | |
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75 | rc = mkdir(this->configdirname.c_str(),0700); |
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76 | if (rc < 0) |
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77 | if (errno != EEXIST) |
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78 | return 1; |
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79 | f.open(this->configfilename.c_str(),std::ios::out); |
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80 | if (f.fail()) |
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81 | return 1; |
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82 | this->config = gen_random(this->config_size)+'\n'; |
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83 | f << this->config; |
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84 | f.close(); |
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85 | rc = chmod(this->configfilename.c_str(),0600); |
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86 | if (rc < 0) |
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87 | return 1; |
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88 | return 0; |
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89 | } |
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90 | |
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91 | |
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92 | size_t write_data(char *p, size_t size, size_t nmemb, std::string *userdata) |
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93 | { |
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94 | size_t l = size*nmemb; |
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95 | for (size_t i=0; i<l; i++) |
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96 | (*userdata).push_back(p[i]); |
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97 | return l; |
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98 | } |
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99 | |
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100 | int wrequest::set_serverurl(const std::string &u) |
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101 | { |
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102 | this->serverurl = u + '?'; |
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103 | curl_easy_setopt(this->curl,CURLOPT_HEADER,0L); |
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104 | curl_easy_setopt(this->curl,CURLOPT_NOPROGRESS, 1L); |
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105 | curl_easy_setopt(this->curl,CURLOPT_WRITEFUNCTION, write_data); |
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106 | |
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107 | return 0; |
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108 | } |
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109 | |
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110 | void wrequest::compose_message(std::string &m) |
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111 | { |
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112 | m=""; |
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113 | m += zstrtohex("stopos") + httpsep; |
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114 | m += zstrtohex(this->message.get_protocol() ) + httpsep; |
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115 | m += zstrtohex(this->message.get_whoami()+"."+this->config) + httpsep; |
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116 | m += zstrtohex(this->message.get_pool() ) + httpsep; |
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117 | m += zstrtohex(this->message.get_command() ) + httpsep; |
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118 | m += zstrtohex(this->message.get_multi() ) + httpsep; |
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119 | m += zstrtohex(this->message.get_value() ); |
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120 | } |
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121 | |
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122 | int wrequest::send_message(std::string &body, std::string &header) |
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123 | { |
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124 | |
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125 | body.clear(); |
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126 | header.clear(); |
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127 | std::string m; |
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128 | this->compose_message(m); |
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129 | std::string x; |
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130 | x = this->serverurl+m; |
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131 | curl_easy_setopt(this->curl,CURLOPT_URL,x.c_str()); |
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132 | curl_easy_setopt(this->curl,CURLOPT_WRITEDATA, &body); |
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133 | curl_easy_setopt(this->curl,CURLOPT_WRITEHEADER, &header); |
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134 | int rc; |
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135 | rc = curl_easy_perform(this->curl); |
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136 | |
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137 | return rc; |
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138 | } |
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139 | |
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