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examples/protocols: Added URI encoding/decoding feature

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- http_server/simple: Decoding received query
  - esp_http_client: Sending encoded query
This commit is contained in:
Laukik Hase
2023-01-25 16:45:01 +05:30
parent d825753387
commit 167618d6a4
7 changed files with 500 additions and 11 deletions
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examples/protocols/http_server/simple/main/main.c
+10 -1
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@@ -17,9 +17,12 @@
#include "esp_netif.h"
#include "esp_eth.h"
#include "protocol_examples_common.h"
#include "protocol_examples_utils.h"
#include "esp_tls_crypto.h"
#include <esp_http_server.h>
#define EXAMPLE_HTTP_QUERY_KEY_MAX_LEN (64)
/* A simple example that demonstrates how to create GET and POST
* handlers for the web server.
*/
@@ -188,16 +191,22 @@ static esp_err_t hello_get_handler(httpd_req_t *req)
buf = malloc(buf_len);
if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
ESP_LOGI(TAG, "Found URL query => %s", buf);
char param[32];
char param[EXAMPLE_HTTP_QUERY_KEY_MAX_LEN], dec_param[EXAMPLE_HTTP_QUERY_KEY_MAX_LEN] = {0};
/* Get value of expected key from query string */
if (httpd_query_key_value(buf, "query1", param, sizeof(param)) == ESP_OK) {
ESP_LOGI(TAG, "Found URL query parameter => query1=%s", param);
example_uri_decode(dec_param, param, strnlen(param, EXAMPLE_HTTP_QUERY_KEY_MAX_LEN));
ESP_LOGI(TAG, "Decoded query parameter => %s", dec_param);
}
if (httpd_query_key_value(buf, "query3", param, sizeof(param)) == ESP_OK) {
ESP_LOGI(TAG, "Found URL query parameter => query3=%s", param);
example_uri_decode(dec_param, param, strnlen(param, EXAMPLE_HTTP_QUERY_KEY_MAX_LEN));
ESP_LOGI(TAG, "Decoded query parameter => %s", dec_param);
}
if (httpd_query_key_value(buf, "query2", param, sizeof(param)) == ESP_OK) {
ESP_LOGI(TAG, "Found URL query parameter => query2=%s", param);
example_uri_decode(dec_param, param, strnlen(param, EXAMPLE_HTTP_QUERY_KEY_MAX_LEN));
ESP_LOGI(TAG, "Decoded query parameter => %s", dec_param);
}
}
free(buf);