Salesforce.com interface to directly access Salesforce.com

Dependencies:   HTTPClient-SSL MbedJSONValue

Dependents:   df-2014-salesforce-hrm-k64f

Fork of SalesforceInterface by Doug Anson

Committer:
ansond
Date:
Tue Sep 23 05:40:18 2014 +0000
Revision:
9:a254fcd904be
Parent:
8:47db53cd5884
Child:
10:845ea6d00b65
updates for create,read,update,delete methods

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ansond 0:518b1ca956fc 1 /* Copyright C2014 ARM, MIT License
ansond 0:518b1ca956fc 2 *
ansond 9:a254fcd904be 3 * Author: Doug Anson (doug.anson@arm.com)
ansond 9:a254fcd904be 4 *
ansond 0:518b1ca956fc 5 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
ansond 0:518b1ca956fc 6 * and associated documentation files the "Software", to deal in the Software without restriction,
ansond 0:518b1ca956fc 7 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
ansond 0:518b1ca956fc 8 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
ansond 0:518b1ca956fc 9 * furnished to do so, subject to the following conditions:
ansond 0:518b1ca956fc 10 *
ansond 0:518b1ca956fc 11 * The above copyright notice and this permission notice shall be included in all copies or
ansond 0:518b1ca956fc 12 * substantial portions of the Software.
ansond 0:518b1ca956fc 13 *
ansond 0:518b1ca956fc 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
ansond 0:518b1ca956fc 15 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
ansond 0:518b1ca956fc 16 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
ansond 0:518b1ca956fc 17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ansond 0:518b1ca956fc 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
ansond 0:518b1ca956fc 19 */
ansond 0:518b1ca956fc 20
ansond 0:518b1ca956fc 21 #ifndef _SALESFORCE_INTERFACE_H_
ansond 0:518b1ca956fc 22 #define _SALESFORCE_INTERFACE_H_
ansond 0:518b1ca956fc 23
ansond 0:518b1ca956fc 24 // ErrorHandler
ansond 0:518b1ca956fc 25 #include "ErrorHandler.h"
ansond 0:518b1ca956fc 26
ansond 0:518b1ca956fc 27 // SSL-based HTTP support
ansond 0:518b1ca956fc 28 #include "HTTPClient.h"
ansond 0:518b1ca956fc 29
ansond 0:518b1ca956fc 30 // JSON parsing support
ansond 0:518b1ca956fc 31 #include "MbedJSONValue.h"
ansond 0:518b1ca956fc 32
ansond 0:518b1ca956fc 33 // verbose debugging
ansond 0:518b1ca956fc 34 #if ENABLE_DEBUG_LOGGING
ansond 8:47db53cd5884 35 #define DEBUG(...) { this->logger()->logConsole(__VA_ARGS__); }
ansond 0:518b1ca956fc 36 #else
ansond 0:518b1ca956fc 37 #define DEBUG(...)
ansond 0:518b1ca956fc 38 #endif
ansond 7:97ea5ef906f7 39
ansond 7:97ea5ef906f7 40 // convenience macros
ansond 8:47db53cd5884 41 #define DEFINE_BUFFER(x) char x[MAX_BUFFER_LENGTH+1]
ansond 8:47db53cd5884 42 #define RESET_BUFFER(x) memset(x,0,MAX_BUFFER_LENGTH+1)
ansond 8:47db53cd5884 43 #define ALLOC_BUFFER(x) DEFINE_BUFFER(x);RESET_BUFFER(x)
ansond 8:47db53cd5884 44
ansond 8:47db53cd5884 45 #define DEFINE_SML_BUFFER(x) char x[MAX_SMALL_BUFFER_LENGTH+1]
ansond 8:47db53cd5884 46 #define RESET_SML_BUFFER(x) memset(x,0,MAX_SMALL_BUFFER_LENGTH+1)
ansond 8:47db53cd5884 47 #define ALLOC_SML_BUFFER(x) DEFINE_SML_BUFFER(x);RESET_SML_BUFFER(x)
ansond 8:47db53cd5884 48
ansond 8:47db53cd5884 49 // Default salesforce API version (must be in XX.Y format and must be a string)
ansond 8:47db53cd5884 50 #define SALESFORCE_API_VERSION_LENGTH 10
ansond 8:47db53cd5884 51 #ifndef SALESFORCE_API_VERSION
ansond 8:47db53cd5884 52 #define SALESFORCE_API_VERSION "28.0"
ansond 8:47db53cd5884 53 #endif
ansond 0:518b1ca956fc 54
ansond 0:518b1ca956fc 55 // HTTP Verbs
ansond 0:518b1ca956fc 56 typedef enum {
ansond 0:518b1ca956fc 57 GET,
ansond 0:518b1ca956fc 58 PUT,
ansond 0:518b1ca956fc 59 POST,
ansond 0:518b1ca956fc 60 DELETE,
ansond 0:518b1ca956fc 61 NUM_VERBS
ansond 0:518b1ca956fc 62 } HttpVerb;
ansond 0:518b1ca956fc 63
ansond 0:518b1ca956fc 64 // Supported input data types for PUT and POST (Defined by HTTPClient-SSL/data support...)
ansond 0:518b1ca956fc 65 typedef enum {
ansond 0:518b1ca956fc 66 JSON, // ContentType: application/json
ansond 0:518b1ca956fc 67 PLAIN_TEXT, // ContentType: plain/text
ansond 0:518b1ca956fc 68 FORM_MAPPED, // ContentType: application/x-www-form-urlencoded
ansond 0:518b1ca956fc 69 NUM_TYPES
ansond 0:518b1ca956fc 70 } InputDataTypes;
ansond 0:518b1ca956fc 71
ansond 7:97ea5ef906f7 72 // OAUTH structure
ansond 7:97ea5ef906f7 73 typedef struct {
ansond 7:97ea5ef906f7 74 bool valid;
ansond 7:97ea5ef906f7 75 string id;
ansond 7:97ea5ef906f7 76 string issued_at;
ansond 7:97ea5ef906f7 77 string token_type;
ansond 7:97ea5ef906f7 78 string instance_url;
ansond 7:97ea5ef906f7 79 string signature;
ansond 7:97ea5ef906f7 80 string access_token;
ansond 7:97ea5ef906f7 81 } OauthToken;
ansond 7:97ea5ef906f7 82
ansond 9:a254fcd904be 83 // SalesforceInterface provides an API into the REST-based Salesforce.com Force APIs
ansond 0:518b1ca956fc 84 class SalesforceInterface {
ansond 0:518b1ca956fc 85 private:
ansond 0:518b1ca956fc 86 ErrorHandler *m_logger;
ansond 0:518b1ca956fc 87 HTTPClient *m_http;
ansond 0:518b1ca956fc 88 char *m_username;
ansond 0:518b1ca956fc 89 char *m_password;
ansond 0:518b1ca956fc 90 char *m_client_id;
ansond 0:518b1ca956fc 91 char *m_client_secret;
ansond 0:518b1ca956fc 92 bool m_have_creds;
ansond 7:97ea5ef906f7 93 OauthToken m_oauth_token;
ansond 7:97ea5ef906f7 94 HTTPResult m_http_status;
ansond 7:97ea5ef906f7 95 int m_http_response_code;
ansond 7:97ea5ef906f7 96 char m_http_redirection_url[MAX_BUFFER_LENGTH+1];
ansond 8:47db53cd5884 97 char m_salesforce_id[MAX_BUFFER_LENGTH+1];
ansond 8:47db53cd5884 98 char m_salesforce_api[SALESFORCE_API_VERSION_LENGTH];
ansond 0:518b1ca956fc 99
ansond 0:518b1ca956fc 100 public:
ansond 0:518b1ca956fc 101 // construction/destruction
ansond 0:518b1ca956fc 102 SalesforceInterface(ErrorHandler *logger,HTTPClient *http);
ansond 0:518b1ca956fc 103 virtual ~SalesforceInterface();
ansond 0:518b1ca956fc 104
ansond 0:518b1ca956fc 105 // set Salesforce.com credentials
ansond 0:518b1ca956fc 106 void setCredentials(char *username,char *password,char *client_id,char *client_secret);
ansond 0:518b1ca956fc 107
ansond 7:97ea5ef906f7 108 // get our ID structure from Salesforce
ansond 9:a254fcd904be 109 char *getSalesforceID(bool fetch = true);
ansond 9:a254fcd904be 110
ansond 9:a254fcd904be 111 // force the interface to re-acquire the OAUTH token and salesforce ID
ansond 9:a254fcd904be 112 void resetSalesforceID();
ansond 8:47db53cd5884 113
ansond 8:47db53cd5884 114 // set/get our salesforce API version
ansond 8:47db53cd5884 115 void setSalesforceAPIVersion(int version);
ansond 8:47db53cd5884 116 void setSalesforceAPIVersion(char *version);
ansond 8:47db53cd5884 117 char *getSalesforceAPIVersion();
ansond 8:47db53cd5884 118
ansond 9:a254fcd904be 119 // SQL QUERY: into Salesforce.com
ansond 8:47db53cd5884 120 char *query(char *query_str,char *output_buffer,int output_buffer_length);
ansond 9:a254fcd904be 121
ansond 9:a254fcd904be 122 // CREATE: a field in Salesforce.com
ansond 9:a254fcd904be 123 MbedJSONValue createField(char *object_name,MbedJSONValue &field);
ansond 9:a254fcd904be 124
ansond 9:a254fcd904be 125 // READ: a specific field in Salesforce.com
ansond 9:a254fcd904be 126 MbedJSONValue readField(char *object_name,char *object_id);
ansond 9:a254fcd904be 127
ansond 9:a254fcd904be 128 // UPDATE: a specific field in Salesforce.com
ansond 9:a254fcd904be 129 bool updateField(char *object_name,char *object_id,MbedJSONValue &field);
ansond 9:a254fcd904be 130
ansond 9:a254fcd904be 131 // DELETE: a specific field in Salesforce.com
ansond 9:a254fcd904be 132 bool deleteField(char *object_name,char *object_id);
ansond 9:a254fcd904be 133
ansond 9:a254fcd904be 134 // HTTP Error code access
ansond 9:a254fcd904be 135 int httpResponseCode();
ansond 9:a254fcd904be 136
ansond 9:a254fcd904be 137 protected:
ansond 9:a254fcd904be 138 // do we have a valid salesforce ID and OAUTH token?
ansond 9:a254fcd904be 139 bool haveSalesforceID(bool fetch = true);
ansond 9:a254fcd904be 140
ansond 9:a254fcd904be 141 // CREATE: a field in Salesforce.com
ansond 9:a254fcd904be 142 char *createField(char *object_name,char *json_data,char *output_buffer,int output_buffer_length);
ansond 9:a254fcd904be 143
ansond 9:a254fcd904be 144 // READ: a specific field in Salesforce.com
ansond 9:a254fcd904be 145 char *readField(char *object_name,char *object_id,char *output_buffer,int output_buffer_length);
ansond 9:a254fcd904be 146
ansond 9:a254fcd904be 147 // UPDATE: a specific field in Salesforce.com
ansond 9:a254fcd904be 148 bool updateField(char *object_name,char *object_id,char *json_data);
ansond 9:a254fcd904be 149
ansond 8:47db53cd5884 150 // raw invocation of REST calls into Salesforce.com
ansond 9:a254fcd904be 151 char *invoke(const char *url,char *output_buffer,int output_buffer_length); // defaults to GET
ansond 9:a254fcd904be 152 char *invoke(const char *url,char *output_buffer,int output_buffer_length,HttpVerb verb); // GET or DELETE with simple output
ansond 9:a254fcd904be 153 char *invoke(const char *url,const char *input_data,const int input_data_len,char *output_buffer,int output_buffer_length); // defaults to POST with JSON input data type
ansond 9:a254fcd904be 154 char *invoke(const char *url,const InputDataTypes input_type,const char *input_data,const int input_data_len,char *output_buffer,int output_buffer_length); // defaults to POST with variable input data type
ansond 9:a254fcd904be 155 char *invoke(const char *url,const InputDataTypes input_type,const char *input_data,const int input_data_len,char *output_buffer,int output_buffer_length,const HttpVerb verb); // full fidelity method
ansond 9:a254fcd904be 156
ansond 0:518b1ca956fc 157 // get our OAUTH Token
ansond 9:a254fcd904be 158 void checkAndGetOauthToken(bool fetch = true);
ansond 0:518b1ca956fc 159 char *getOauthToken(char *output_buffer,int output_buffer_length);
ansond 8:47db53cd5884 160
ansond 0:518b1ca956fc 161 // convenience accessors
ansond 0:518b1ca956fc 162 ErrorHandler *logger();
ansond 0:518b1ca956fc 163 HTTPClient *http();
ansond 7:97ea5ef906f7 164 OauthToken *oauth();
ansond 7:97ea5ef906f7 165 HTTPResult httpStatus();
ansond 7:97ea5ef906f7 166
ansond 7:97ea5ef906f7 167 // internal checkers
ansond 0:518b1ca956fc 168 bool haveCreds();
ansond 7:97ea5ef906f7 169 void resetOauthToken();
ansond 7:97ea5ef906f7 170 void fillOauthToken(char *token);
ansond 9:a254fcd904be 171 bool validOauthToken(bool fetch = true);
ansond 8:47db53cd5884 172
ansond 8:47db53cd5884 173 // get the specified URL from our Salesforce ID
ansond 8:47db53cd5884 174 char *getSalesforceURL(char *key,char *url_buffer,int url_buffer_length);
ansond 9:a254fcd904be 175
ansond 8:47db53cd5884 176 // simple char array replacement (modifies input string!)
ansond 8:47db53cd5884 177 void replace(char *str,char orig_char,char new_char);
ansond 8:47db53cd5884 178
ansond 8:47db53cd5884 179 // needed to replace substrings within std::string
ansond 8:47db53cd5884 180 void replace(string& line, string& oldString, string& newString);
ansond 0:518b1ca956fc 181 };
ansond 0:518b1ca956fc 182
ansond 0:518b1ca956fc 183 #endif // _SALESFORCE_INTERFACE_H_