103 lines
1.8 KiB
C
103 lines
1.8 KiB
C
#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../inc/ip65.h"
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#include "ifttt.h"
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static char url[2048];
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static char download[2048];
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static bool isclean(char c)
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{
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switch (c)
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{
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case '*':
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case '-':
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case '.':
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case '_':
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return true;
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}
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return false;
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}
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static void querystrcat(char* url, const char* val)
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{
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if (!val)
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{
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return;
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}
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url += strlen(url);
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while (true)
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{
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if (isalnum(*val) || isclean(*val))
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{
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*url++ = *val++;
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continue;
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}
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if (*val == ' ')
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{
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*url++ = '+';
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++val;
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continue;
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}
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if (*val == '\0')
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{
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*url = '\0';
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break;
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}
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url += sprintf(url, "%%%02X", toascii(*val++));
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}
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}
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// Trigger IFTTT maker event via webhook
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//
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// Inputs: key: Webhook key to use
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// event: Maker event to trigger
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// val1: Webhook parameter 'value1'
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// val2: Webhook parameter 'value2'
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// val3: Webhook parameter 'value3'
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// Output: Webhook HTTP status code, -1 on error
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//
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int ifttt_trigger(const char* key, const char* event,
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const char* val1, const char* val2, const char* val3)
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{
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char* ptr = url;
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uint16_t len;
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strcpy(url, "http://maker.ifttt.com/trigger/");
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strcat(url, event);
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strcat(url, "/with/key/");
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strcat(url, key);
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strcat(url, "?value1=");
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querystrcat(url, val1);
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strcat(url, "&value2=");
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querystrcat(url, val2);
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strcat(url, "&value3=");
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querystrcat(url, val3);
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while (*ptr)
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{
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*ptr = toascii(*ptr);
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++ptr;
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}
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if (strlen(url) > 1400)
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{
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ip65_error = IP65_ERROR_MALFORMED_URL;
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return -1;
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}
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len = url_download(url, (uint8_t*)download, sizeof(download));
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if (len < 12)
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{
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return -1;
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}
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return atoi(download + 9);
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}
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