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00028 #include "asterisk.h"
00029
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 262658 $")
00031
00032 #include "asterisk/lock.h"
00033 #include "asterisk/file.h"
00034 #include "asterisk/utils.h"
00035 #include "asterisk/channel.h"
00036 #include "asterisk/pbx.h"
00037 #include "asterisk/module.h"
00038 #include "asterisk/translate.h"
00039 #include "asterisk/image.h"
00040 #include "asterisk/callerid.h"
00041 #include "asterisk/app.h"
00042 #include "asterisk/config.h"
00043
00044 static char *app = "PrivacyManager";
00045
00046 static char *synopsis = "Require phone number to be entered, if no CallerID sent";
00047
00048 static char *descrip =
00049 " PrivacyManager([maxretries][,minlength][,context]): If no Caller*ID \n"
00050 "is sent, PrivacyManager answers the channel and asks the caller to\n"
00051 "enter their phone number. The caller is given 'maxretries' attempts to do so.\n"
00052 "The application does nothing if Caller*ID was received on the channel.\n"
00053 " maxretries default 3 -maximum number of attempts the caller is allowed \n"
00054 " to input a callerid.\n"
00055 " minlength default 10 -minimum allowable digits in the input callerid number.\n"
00056 " context context to check the given Caller*ID against patterns.\n"
00057 "The application sets the following channel variable upon completion: \n"
00058 "PRIVACYMGRSTATUS The status of the privacy manager's attempt to collect \n"
00059 " a phone number from the user. A text string that is either:\n"
00060 " SUCCESS | FAILED \n"
00061 ;
00062
00063
00064 static int privacy_exec (struct ast_channel *chan, void *data)
00065 {
00066 int res=0;
00067 int retries;
00068 int maxretries = 3;
00069 int minlength = 10;
00070 int x = 0;
00071 char phone[30];
00072 char *parse = NULL;
00073 AST_DECLARE_APP_ARGS(args,
00074 AST_APP_ARG(maxretries);
00075 AST_APP_ARG(minlength);
00076 AST_APP_ARG(options);
00077 AST_APP_ARG(checkcontext);
00078 );
00079
00080 if (!ast_strlen_zero(chan->cid.cid_num)) {
00081 ast_verb(3, "CallerID Present: Skipping\n");
00082 } else {
00083
00084 if (chan->_state != AST_STATE_UP) {
00085 if ((res = ast_answer(chan))) {
00086 return -1;
00087 }
00088 }
00089
00090 parse = ast_strdupa(S_OR(data, ""));
00091
00092 AST_STANDARD_APP_ARGS(args, parse);
00093
00094 if (!ast_strlen_zero(args.maxretries)) {
00095 if (sscanf(args.maxretries, "%30d", &x) == 1 && x > 0) {
00096 maxretries = x;
00097 } else {
00098 ast_log(LOG_WARNING, "Invalid max retries argument: '%s'\n", args.maxretries);
00099 }
00100 }
00101 if (!ast_strlen_zero(args.minlength)) {
00102 if (sscanf(args.minlength, "%30d", &x) == 1 && x > 0) {
00103 minlength = x;
00104 } else {
00105 ast_log(LOG_WARNING, "Invalid min length argument: '%s'\n", args.minlength);
00106 }
00107 }
00108
00109
00110 res = ast_safe_sleep(chan, 1000);
00111 if (!res) {
00112 res = ast_streamfile(chan, "privacy-unident", chan->language);
00113 }
00114 if (!res) {
00115 res = ast_waitstream(chan, "");
00116 }
00117
00118
00119 for (retries = 0; retries < maxretries; retries++) {
00120 if (!res) {
00121 res = ast_streamfile(chan, "privacy-prompt", chan->language);
00122 }
00123 if (!res) {
00124 res = ast_waitstream(chan, "");
00125 }
00126
00127 if (!res) {
00128 res = ast_readstring(chan, phone, sizeof(phone) - 1, 3200, 5000, "#");
00129 }
00130
00131 if (res < 0) {
00132 break;
00133 }
00134
00135
00136 if (strlen(phone) >= minlength ) {
00137
00138 if (!ast_strlen_zero(args.checkcontext)) {
00139 if (!ast_exists_extension(NULL, args.checkcontext, phone, 1, NULL)) {
00140 res = ast_streamfile(chan, "privacy-incorrect", chan->language);
00141 if (!res) {
00142 res = ast_waitstream(chan, "");
00143 }
00144 } else {
00145 break;
00146 }
00147 } else {
00148 break;
00149 }
00150 } else {
00151 res = ast_streamfile(chan, "privacy-incorrect", chan->language);
00152 if (!res) {
00153 res = ast_waitstream(chan, "");
00154 }
00155 }
00156 }
00157
00158
00159 if ((retries < maxretries) && res >= 0) {
00160 res = ast_streamfile(chan, "privacy-thankyou", chan->language);
00161 if (!res) {
00162 res = ast_waitstream(chan, "");
00163 }
00164
00165 ast_set_callerid(chan, phone, "Privacy Manager", NULL);
00166
00167
00168
00169
00170 chan->cid.cid_pres &= (AST_PRES_UNAVAILABLE ^ 0xFF);
00171
00172 ast_verb(3, "Changed Caller*ID to '%s', callerpres to %d\n", phone, chan->cid.cid_pres);
00173
00174 pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "SUCCESS");
00175 } else {
00176 pbx_builtin_setvar_helper(chan, "PRIVACYMGRSTATUS", "FAILED");
00177 }
00178 }
00179
00180 return 0;
00181 }
00182
00183 static int unload_module(void)
00184 {
00185 return ast_unregister_application(app);
00186 }
00187
00188 static int load_module(void)
00189 {
00190 return ast_register_application(app, privacy_exec, synopsis, descrip);
00191 }
00192
00193 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Require phone number to be entered, if no CallerID sent");