Merge pull request 'do email notifications with CURL' (#283) from shtrophic/snac2:curl-smtp into master

Reviewed-on: https://codeberg.org/grunfink/snac2/pulls/283

1 files changed, 46 insertions, 0 deletions

diff --git a/xs_curl.h b/xs_curl.h
index 657644a..0609a08 100644
--- a/xs_curl.h
+++ b/xs_curl.h
@@ -9,6 +9,10 @@ xs_dict *xs_http_request(const char *method, const char *url,
                         const xs_str *body, int b_size, int *status,
                         xs_str **payload, int *p_size, int timeout);
 
+int xs_smtp_request(const char *url, const char *user, const char *pass,
+                   const char *from, const char *to, const xs_str *body,
+                   int use_ssl);
+
 const char *xs_curl_strerr(int errnum);
 
 #ifdef XS_IMPLEMENTATION
@@ -196,6 +200,48 @@ xs_dict *xs_http_request(const char *method, const char *url,
     return response;
 }
 
+int xs_smtp_request(const char *url, const char *user, const char *pass,
+                   const char *from, const char *to, const xs_str *body,
+                   int use_ssl)
+{
+    CURL *curl;
+    CURLcode res = CURLE_OK;
+    struct curl_slist *rcpt = NULL;
+    struct _payload_data pd = {
+        .data = (char *)body,
+        .size = xs_size(body),
+        .offset = 0
+    };
+
+    curl = curl_easy_init();
+
+    curl_easy_setopt(curl, CURLOPT_URL, url);
+    if (user && pass) {
+        /* allow authless connections, to, e.g. localhost */
+        curl_easy_setopt(curl, CURLOPT_USERNAME, user);
+        curl_easy_setopt(curl, CURLOPT_PASSWORD, pass);
+    }
+
+    if (use_ssl)
+        curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
+    
+    curl_easy_setopt(curl, CURLOPT_MAIL_FROM, from);
+
+    rcpt = curl_slist_append(rcpt, to);
+    curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, rcpt);
+
+    curl_easy_setopt(curl, CURLOPT_READDATA, &pd);
+    curl_easy_setopt(curl, CURLOPT_READFUNCTION, _post_callback);
+    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
+
+    res = curl_easy_perform(curl);
+    
+    curl_easy_cleanup(curl);
+    curl_slist_free_all(rcpt);
+
+    return (int)res;
+}
+
 
 const char *xs_curl_strerr(int errnum)
 {