1 files changed, 112 insertions, 0 deletions
diff --git a/src/ext/parse_uri.c b/src/ext/parse_uri.c
new file mode 100644
index 0000000..fa74c85
--- /dev/null
+++ b/src/ext/parse_uri.c
@@ -0,0 +1,112 @@
+#include "parse_uri.h"
+
+#include <string.h>
+
+// From: https://github.com/nghttp2/nghttp2/blob/master/examples/client.c
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2013 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+int parse_uri(struct URI* res, const char* uri)
+{
+    /* We only interested in https */
+    size_t len, i, offset;
+    int    ipv6addr = 0;
+    memset(res, 0, sizeof(struct URI));
+    len = strlen(uri);
+    if (len < 9 || memcmp("https://", uri, 8) != 0) {
+        return -1;
+    }
+    offset    = 8;
+    res->host = res->hostport = &uri[offset];
+    res->hostlen              = 0;
+    if (uri[offset] == '[') {
+        /* IPv6 literal address */
+        ++offset;
+        ++res->host;
+        ipv6addr = 1;
+        for (i = offset; i < len; ++i) {
+            if (uri[i] == ']') {
+                res->hostlen = i - offset;
+                offset       = i + 1;
+                break;
+            }
+        }
+    } else {
+        const char delims[] = ":/?#";
+        for (i = offset; i < len; ++i) {
+            if (strchr(delims, uri[i]) != NULL) {
+                break;
+            }
+        }
+        res->hostlen = i - offset;
+        offset       = i;
+    }
+    if (res->hostlen == 0) {
+        return -1;
+    }
+    /* Assuming https */
+    res->port = 443;
+    if (offset < len) {
+        if (uri[offset] == ':') {
+            /* port */
+            const char delims[] = "/?#";
+            int        port     = 0;
+            ++offset;
+            for (i = offset; i < len; ++i) {
+                if (strchr(delims, uri[i]) != NULL) {
+                    break;
+                }
+                if ('0' <= uri[i] && uri[i] <= '9') {
+                    port *= 10;
+                    port += uri[i] - '0';
+                    if (port > 65535) {
+                        return -1;
+                    }
+                } else {
+                    return -1;
+                }
+            }
+            if (port == 0) {
+                return -1;
+            }
+            offset    = i;
+            res->port = (uint16_t)port;
+        }
+    }
+    res->hostportlen = (size_t)(uri + offset + ipv6addr - res->host);
+    for (i = offset; i < len; ++i) {
+        if (uri[i] == '#') {
+            break;
+        }
+    }
+    if (i - offset == 0) {
+        res->path    = "/";
+        res->pathlen = 1;
+    } else {
+        res->path    = &uri[offset];
+        res->pathlen = i - offset;
+    }
+    return 0;
+}