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—sdk:ftp2sms [2021/08/04 09:20] (current) – external edit 127.0.0.1
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 +====== Forward File Content of Files on FTP Server via SMS ======
 +<code c ftp2sms.are>
 +printf("This script does not speak here, see syslog instead");
 +nb_syslog('starting');
 +SITE = "https://share.netmodule.com/router/test";
 +
 +USR = "anonymous";
 +PWD = "anonymous";
 +FTPINTERVAL = 30;
 +MAXSERVERITEMS = 100;
 +MAXSENTITEMS = 200;
 +ALARMNUMBER = "+4178949****";
 +
 +// processed SMS
 +sentSMS = mkarray();
 +
 +// main
 +while (1) {
 +    nb_syslog("checking %s for messages", SITE);
 +    nb_syslog("number of sent items is %s", length(sentSMS));
 +    if (length(sentSMS) > MAXSENTITEMS) {
 +        for (i = 0; i < length(sentSMS); i++) {
 +            if (i < length(sentSMS)-MAXSENTITEMS) { 
 +                nb_syslog("setting element %s to void", i);
 +                sentSMS[i] = (); // set oldest elements to void, i.e. delete them
 +            }
 +        }
 +        sentSMS = array_compact(sentSMS); // remove voids from array
 +        nb_syslog("number of sent items is %s after compacting", length(sentSMS));
 +    }
 +    files = nb_transfer_list(USR, PWD, SITE);
 +
 +    if (files) {
 +        if (length(files) > MAXSERVERITEMS) {
 +            id = nb_sms_send(ALARMNUMBER, sprintf("Caution, more than %s files on server", MAXSERVERITEMS));
 +        }
 +        filesarray = mkarray();   
 +        for (i = 0; i < length(files); i++) {
 +            file = files[i];
 +            filesarray[i] = file.name;
 +            url = sprintf("%s/%s", SITE, filesarray[i]);
 +            path = "/tmp/tempmsg";
 +            if (nb_transfer_get(USR, PWD, url, path) == 0) {
 +                fp = fopen(path, "r");
 +                if (fp) {
 +                    phonenumber = trim(fgets(fp)); // first line is phone number
 +                    content = fread(fp,file.size); // read rest of file  
 +                    // check new SMS
 +                    if (is_void(array_search(sentSMS, filesarray[i]))){
 +                        // send SMS
 +                        id = nb_sms_send(phonenumber, content);
 +                        if (id) {
 +                            nb_syslog("SMS to %s (origin %s) has been spooled\n", phonenumber, filesarray[i]);
 +                                sentSMS = array_merge(sentSMS, filesarray[i]);
 +                                nb_syslog("added %s to sent items", filesarray[i]);
 +                        } else {
 +                            nb_syslog("Unable to send SMS to %s\n", phonenumber);
 +                        }       
 +                    } else {
 +                        nb_syslog("file %s already processed, ignoring it", filesarray[i]);
 +                    }
 +                    unlink(path);
 +                }
 +                else {
 +                    nb_syslog("download of '%s' failed", url);
 +                }
 +            }
 +        }
 +    } else {
 +        nb_syslog("could not access '%s' or no files in directory", SITE);
 +    }
 +    sleep(FTPINTERVAL);
 +}
 +exit(0);
 +</code>
  

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