From 3d51ee82115b8e6e619ba817ba8d48672c413845 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=A6=8C=EA=A6=AB=EA=A6=B6=EA=A6=8F=EA=A7=80=EA=A6=A6?=
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 <erik@darapsa.co.id>
Date: Thu, 22 Sep 2022 14:02:37 +0800
Subject: Merge regex.h, as it's only called 1 time

---
 regex.h   | 17 -----------------
 shopify.c | 26 ++++++++++++++++++++++----
 2 files changed, 22 insertions(+), 21 deletions(-)
 delete mode 100644 regex.h

diff --git a/regex.h b/regex.h
deleted file mode 100644
index ebd51ac..0000000
--- a/regex.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#define PCRE2_CODE_UNIT_WIDTH 8
-#include <pcre2.h>
-
-static inline bool regex_match(const char *shop)
-{
-	pcre2_code *re = pcre2_compile((PCRE2_SPTR)
-			"^[a-zA-Z0-9][a-zA-Z0-9\\-]*\\.myshopify\\.com",
-			PCRE2_ZERO_TERMINATED, 0, &(int){ 0 },
-			&(PCRE2_SIZE){ 0 }, NULL);
-	pcre2_match_data *match_data
-		= pcre2_match_data_create_from_pattern(re, NULL);
-	int rc = pcre2_match(re, (PCRE2_SPTR)shop, strlen(shop), 0, 0,
-			match_data, NULL);
-	pcre2_match_data_free(match_data);
-	pcre2_code_free(re);
-	return rc >= 0;
-}
diff --git a/shopify.c b/shopify.c
index b85217e..1a26f92 100644
--- a/shopify.c
+++ b/shopify.c
@@ -1,12 +1,13 @@
 #include <stdbool.h>
 #include <fcntl.h>
 #include <sys/stat.h>
-#include <microhttpd.h>
+#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
 #include <gnutls/gnutls.h>
 #include <toml.h>
+#include <microhttpd.h>
 #include "shopify.h"
 #include "crypt.h"
-#include "regex.h"
 #include "request.h"
 #include "accesstoken.h"
 #include "sessiontoken.h"
@@ -46,7 +47,6 @@
 extern inline void crypt_init();
 extern inline bool crypt_macmatch(const char *, const char *, const char *);
 extern inline void crypt_getnonce(char [], const size_t);
-extern inline bool regex_match(const char *);
 extern inline void request_init();
 extern inline void request_gettoken(const char *, const char *, const char *,
 		const char *, char **);
@@ -204,6 +204,7 @@ static enum MHD_Result handle_request(void *cls, struct MHD_Connection *con,
 	while (sessions[nsessions].shop)
 		nsessions++;
 	qsort(sessions, nsessions, sizeof(struct shopify_session), keycmp);
+
 	char *shop = NULL;
 	size_t shop_len = 0;
 	char *session_token = NULL;
@@ -218,12 +219,29 @@ static enum MHD_Result handle_request(void *cls, struct MHD_Connection *con,
 						sizeof(struct parameter),
 						keycmp)))
 			shop = param->val;
-		if (!shop || !regex_match(shop)) {
+		if (!shop) {
 			clear(params);
 			free(params);
 			return MHD_NO;
 		}
 		shop_len = strlen(shop);
+
+		pcre2_code *re = pcre2_compile((PCRE2_SPTR)
+				"^[a-zA-Z0-9][a-zA-Z0-9\\-]*\\.myshopify\\.com",
+				PCRE2_ZERO_TERMINATED, 0, &(int){ 0 },
+				&(PCRE2_SIZE){ 0 }, NULL);
+		pcre2_match_data *match_data
+			= pcre2_match_data_create_from_pattern(re, NULL);
+		int rc = pcre2_match(re, (PCRE2_SPTR)shop, strlen(shop), 0, 0,
+				match_data, NULL);
+		pcre2_match_data_free(match_data);
+		pcre2_code_free(re);
+		if (rc < 0) {
+			clear(params);
+			free(params);
+			return MHD_NO;
+		}
+
 		char *query = NULL;
 		for (int i = 0; i < nparams; i++) {
 			const char *key = params[i].key;
-- 
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