acf

plugins/system/tgeoip/vendor/maxmind-db/reader/autoload.php

@@ -0,0 +1,42 @@
+<?php
+
+declare (strict_types=1);
+namespace Tassos\Vendor;
+
+/**
+ * PSR-4 autoloader implementation for the MaxMind\DB namespace.
+ * First we define the 'mmdb_autoload' function, and then we register
+ * it with 'spl_autoload_register' so that PHP knows to use it.
+ *
+ * @param mixed $class
+ */
+/**
+ * Automatically include the file that defines <code>class</code>.
+ *
+ * @param string $class
+ *                      the name of the class to load
+ */
+function mmdb_autoload($class) : void
+{
+    /*
+     * A project-specific mapping between the namespaces and where
+     * they're located. By convention, we include the trailing
+     * slashes. The one-element array here simply makes things easy
+     * to extend in the future if (for example) the test classes
+     * begin to use one another.
+     */
+    $namespace_map = ['MaxMind\\Db\\' => __DIR__ . '/src/MaxMind/Db/'];
+    foreach ($namespace_map as $prefix => $dir) {
+        // First swap out the namespace prefix with a directory...
+        $path = \str_replace($prefix, $dir, $class);
+        // replace the namespace separator with a directory separator...
+        $path = \str_replace('\\', '/', $path);
+        // and finally, add the PHP file extension to the result.
+        $path = $path . '.php';
+        // $path should now contain the path to a PHP file defining $class
+        if (\file_exists($path)) {
+            include $path;
+        }
+    }
+}
+\spl_autoload_register('mmdb_autoload');

plugins/system/tgeoip/vendor/maxmind-db/reader/ext/config.m4

@@ -0,0 +1,40 @@
+PHP_ARG_WITH(maxminddb,
+    [Whether to enable the MaxMind DB Reader extension],
+    [  --with-maxminddb      Enable MaxMind DB Reader extension support])
+
+PHP_ARG_ENABLE(maxminddb-debug, for MaxMind DB debug support,
+    [ --enable-maxminddb-debug    Enable enable MaxMind DB deubg support], no, no)
+
+if test $PHP_MAXMINDDB != "no"; then
+
+    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+
+    AC_MSG_CHECKING(for libmaxminddb)
+    if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists libmaxminddb; then
+        dnl retrieve build options from pkg-config
+        if $PKG_CONFIG libmaxminddb --atleast-version 1.0.0; then
+            LIBMAXMINDDB_INC=`$PKG_CONFIG libmaxminddb --cflags`
+            LIBMAXMINDDB_LIB=`$PKG_CONFIG libmaxminddb --libs`
+            LIBMAXMINDDB_VER=`$PKG_CONFIG libmaxminddb --modversion`
+            AC_MSG_RESULT(found version $LIBMAXMINDDB_VER)
+        else
+            AC_MSG_ERROR(system libmaxminddb must be upgraded to version >= 1.0.0)
+        fi
+        PHP_EVAL_LIBLINE($LIBMAXMINDDB_LIB, MAXMINDDB_SHARED_LIBADD)
+        PHP_EVAL_INCLINE($LIBMAXMINDDB_INC)
+    else
+        AC_MSG_RESULT(pkg-config information missing)
+        AC_MSG_WARN(will use libmaxmxinddb from compiler default path)
+
+        PHP_CHECK_LIBRARY(maxminddb, MMDB_open)
+        PHP_ADD_LIBRARY(maxminddb, 1, MAXMINDDB_SHARED_LIBADD)
+    fi
+
+    if test $PHP_MAXMINDDB_DEBUG != "no"; then
+        CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Werror"
+    fi
+
+    PHP_SUBST(MAXMINDDB_SHARED_LIBADD)
+
+    PHP_NEW_EXTENSION(maxminddb, maxminddb.c, $ext_shared)
+fi

plugins/system/tgeoip/vendor/maxmind-db/reader/ext/config.w32

@@ -0,0 +1,10 @@
+ARG_WITH("maxminddb", "Enable MaxMind DB Reader extension support", "no");
+
+if (PHP_MAXMINDDB == "yes") {
+	if (CHECK_HEADER_ADD_INCLUDE("maxminddb.h", "CFLAGS_MAXMINDDB", PHP_MAXMINDDB +  ";" + PHP_PHP_BUILD + "\\include\\maxminddb") &&
+		CHECK_LIB("libmaxminddb.lib", "maxminddb", PHP_MAXMINDDB)) {
+		EXTENSION("maxminddb", "maxminddb.c");
+	} else {
+		WARNING('Could not find maxminddb.h or libmaxminddb.lib; skipping');
+	}
+}

plugins/system/tgeoip/vendor/maxmind-db/reader/ext/maxminddb.c

@@ -0,0 +1,811 @@
+/* MaxMind, Inc., licenses this file to you under the Apache License, Version
+ * 2.0 (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "php_maxminddb.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <php.h>
+#include <zend.h>
+
+#include "Zend/zend_exceptions.h"
+#include "Zend/zend_types.h"
+#include "ext/spl/spl_exceptions.h"
+#include "ext/standard/info.h"
+#include <maxminddb.h>
+
+#ifdef ZTS
+#include <TSRM.h>
+#endif
+
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+
+#define PHP_MAXMINDDB_NS ZEND_NS_NAME("MaxMind", "Db")
+#define PHP_MAXMINDDB_READER_NS ZEND_NS_NAME(PHP_MAXMINDDB_NS, "Reader")
+#define PHP_MAXMINDDB_METADATA_NS                                              \
+    ZEND_NS_NAME(PHP_MAXMINDDB_READER_NS, "Metadata")
+#define PHP_MAXMINDDB_READER_EX_NS                                             \
+    ZEND_NS_NAME(PHP_MAXMINDDB_READER_NS, "InvalidDatabaseException")
+
+#define Z_MAXMINDDB_P(zv) php_maxminddb_fetch_object(Z_OBJ_P(zv))
+typedef size_t strsize_t;
+typedef zend_object free_obj_t;
+
+/* For PHP 8 compatibility */
+#if PHP_VERSION_ID < 80000
+
+#define PROP_OBJ(zv) (zv)
+
+#else
+
+#define PROP_OBJ(zv) Z_OBJ_P(zv)
+
+#define TSRMLS_C
+#define TSRMLS_CC
+#define TSRMLS_DC
+
+/* End PHP 8 compatibility */
+#endif
+
+#ifndef ZEND_ACC_CTOR
+#define ZEND_ACC_CTOR 0
+#endif
+
+/* IS_MIXED was added in 2020 */
+#ifndef IS_MIXED
+#define IS_MIXED IS_UNDEF
+#endif
+
+/* ZEND_THIS was added in 7.4 */
+#ifndef ZEND_THIS
+#define ZEND_THIS (&EX(This))
+#endif
+
+typedef struct _maxminddb_obj {
+    MMDB_s *mmdb;
+    zend_object std;
+} maxminddb_obj;
+
+PHP_FUNCTION(maxminddb);
+
+static int
+get_record(INTERNAL_FUNCTION_PARAMETERS, zval *record, int *prefix_len);
+static const MMDB_entry_data_list_s *
+handle_entry_data_list(const MMDB_entry_data_list_s *entry_data_list,
+                       zval *z_value TSRMLS_DC);
+static const MMDB_entry_data_list_s *
+handle_array(const MMDB_entry_data_list_s *entry_data_list,
+             zval *z_value TSRMLS_DC);
+static const MMDB_entry_data_list_s *
+handle_map(const MMDB_entry_data_list_s *entry_data_list,
+           zval *z_value TSRMLS_DC);
+static void handle_uint128(const MMDB_entry_data_list_s *entry_data_list,
+                           zval *z_value TSRMLS_DC);
+static void handle_uint64(const MMDB_entry_data_list_s *entry_data_list,
+                          zval *z_value TSRMLS_DC);
+static void handle_uint32(const MMDB_entry_data_list_s *entry_data_list,
+                          zval *z_value TSRMLS_DC);
+
+#define CHECK_ALLOCATED(val)                                                   \
+    if (!val) {                                                                \
+        zend_error(E_ERROR, "Out of memory");                                  \
+        return;                                                                \
+    }
+
+static zend_object_handlers maxminddb_obj_handlers;
+static zend_class_entry *maxminddb_ce, *maxminddb_exception_ce, *metadata_ce;
+
+static inline maxminddb_obj *
+php_maxminddb_fetch_object(zend_object *obj TSRMLS_DC) {
+    return (maxminddb_obj *)((char *)(obj)-XtOffsetOf(maxminddb_obj, std));
+}
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_maxminddbreader_construct, 0, 0, 1)
+ZEND_ARG_TYPE_INFO(0, db_file, IS_STRING, 0)
+ZEND_END_ARG_INFO()
+
+PHP_METHOD(MaxMind_Db_Reader, __construct) {
+    char *db_file = NULL;
+    strsize_t name_len;
+    zval *_this_zval = NULL;
+
+    if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+                                     getThis(),
+                                     "Os",
+                                     &_this_zval,
+                                     maxminddb_ce,
+                                     &db_file,
+                                     &name_len) == FAILURE) {
+        return;
+    }
+
+    if (0 != php_check_open_basedir(db_file TSRMLS_CC) ||
+        0 != access(db_file, R_OK)) {
+        zend_throw_exception_ex(
+            spl_ce_InvalidArgumentException,
+            0 TSRMLS_CC,
+            "The file \"%s\" does not exist or is not readable.",
+            db_file);
+        return;
+    }
+
+    MMDB_s *mmdb = (MMDB_s *)ecalloc(1, sizeof(MMDB_s));
+    uint16_t status = MMDB_open(db_file, MMDB_MODE_MMAP, mmdb);
+
+    if (MMDB_SUCCESS != status) {
+        zend_throw_exception_ex(
+            maxminddb_exception_ce,
+            0 TSRMLS_CC,
+            "Error opening database file (%s). Is this a valid "
+            "MaxMind DB file?",
+            db_file);
+        efree(mmdb);
+        return;
+    }
+
+    maxminddb_obj *mmdb_obj = Z_MAXMINDDB_P(ZEND_THIS);
+    mmdb_obj->mmdb = mmdb;
+}
+
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(
+    arginfo_maxminddbreader_get, 0, 1, IS_MIXED, 1)
+ZEND_ARG_TYPE_INFO(0, ip_address, IS_STRING, 0)
+ZEND_END_ARG_INFO()
+
+PHP_METHOD(MaxMind_Db_Reader, get) {
+    int prefix_len = 0;
+    get_record(INTERNAL_FUNCTION_PARAM_PASSTHRU, return_value, &prefix_len);
+}
+
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(
+    arginfo_maxminddbreader_getWithPrefixLen, 0, 1, IS_ARRAY, 1)
+ZEND_ARG_TYPE_INFO(0, ip_address, IS_STRING, 0)
+ZEND_END_ARG_INFO()
+
+PHP_METHOD(MaxMind_Db_Reader, getWithPrefixLen) {
+    zval record, z_prefix_len;
+
+    int prefix_len = 0;
+    if (get_record(INTERNAL_FUNCTION_PARAM_PASSTHRU, &record, &prefix_len) ==
+        FAILURE) {
+        return;
+    }
+
+    array_init(return_value);
+    add_next_index_zval(return_value, &record);
+
+    ZVAL_LONG(&z_prefix_len, prefix_len);
+    add_next_index_zval(return_value, &z_prefix_len);
+}
+
+static int
+get_record(INTERNAL_FUNCTION_PARAMETERS, zval *record, int *prefix_len) {
+    char *ip_address = NULL;
+    strsize_t name_len;
+    zval *this_zval = NULL;
+
+    if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+                                     getThis(),
+                                     "Os",
+                                     &this_zval,
+                                     maxminddb_ce,
+                                     &ip_address,
+                                     &name_len) == FAILURE) {
+        return FAILURE;
+    }
+
+    const maxminddb_obj *mmdb_obj = (maxminddb_obj *)Z_MAXMINDDB_P(ZEND_THIS);
+
+    MMDB_s *mmdb = mmdb_obj->mmdb;
+
+    if (NULL == mmdb) {
+        zend_throw_exception_ex(spl_ce_BadMethodCallException,
+                                0 TSRMLS_CC,
+                                "Attempt to read from a closed MaxMind DB.");
+        return FAILURE;
+    }
+
+    struct addrinfo hints = {
+        .ai_family = AF_UNSPEC,
+        .ai_flags = AI_NUMERICHOST,
+        /* We set ai_socktype so that we only get one result back */
+        .ai_socktype = SOCK_STREAM};
+
+    struct addrinfo *addresses = NULL;
+    int gai_status = getaddrinfo(ip_address, NULL, &hints, &addresses);
+    if (gai_status) {
+        zend_throw_exception_ex(spl_ce_InvalidArgumentException,
+                                0 TSRMLS_CC,
+                                "The value \"%s\" is not a valid IP address.",
+                                ip_address);
+        return FAILURE;
+    }
+    if (!addresses || !addresses->ai_addr) {
+        zend_throw_exception_ex(
+            spl_ce_InvalidArgumentException,
+            0 TSRMLS_CC,
+            "getaddrinfo was successful but failed to set the addrinfo");
+        return FAILURE;
+    }
+
+    int sa_family = addresses->ai_addr->sa_family;
+
+    int mmdb_error = MMDB_SUCCESS;
+    MMDB_lookup_result_s result =
+        MMDB_lookup_sockaddr(mmdb, addresses->ai_addr, &mmdb_error);
+
+    freeaddrinfo(addresses);
+
+    if (MMDB_SUCCESS != mmdb_error) {
+        zend_class_entry *ex;
+        if (MMDB_IPV6_LOOKUP_IN_IPV4_DATABASE_ERROR == mmdb_error) {
+            ex = spl_ce_InvalidArgumentException;
+        } else {
+            ex = maxminddb_exception_ce;
+        }
+        zend_throw_exception_ex(ex,
+                                0 TSRMLS_CC,
+                                "Error looking up %s. %s",
+                                ip_address,
+                                MMDB_strerror(mmdb_error));
+        return FAILURE;
+    }
+
+    *prefix_len = result.netmask;
+
+    if (sa_family == AF_INET && mmdb->metadata.ip_version == 6) {
+        /* We return the prefix length given the IPv4 address. If there is
+           no IPv4 subtree, we return a prefix length of 0. */
+        *prefix_len = *prefix_len >= 96 ? *prefix_len - 96 : 0;
+    }
+
+    if (!result.found_entry) {
+        ZVAL_NULL(record);
+        return SUCCESS;
+    }
+
+    MMDB_entry_data_list_s *entry_data_list = NULL;
+    int status = MMDB_get_entry_data_list(&result.entry, &entry_data_list);
+
+    if (MMDB_SUCCESS != status) {
+        zend_throw_exception_ex(maxminddb_exception_ce,
+                                0 TSRMLS_CC,
+                                "Error while looking up data for %s. %s",
+                                ip_address,
+                                MMDB_strerror(status));
+        MMDB_free_entry_data_list(entry_data_list);
+        return FAILURE;
+    } else if (NULL == entry_data_list) {
+        zend_throw_exception_ex(
+            maxminddb_exception_ce,
+            0 TSRMLS_CC,
+            "Error while looking up data for %s. Your database may "
+            "be corrupt or you have found a bug in libmaxminddb.",
+            ip_address);
+        return FAILURE;
+    }
+
+    const MMDB_entry_data_list_s *rv =
+        handle_entry_data_list(entry_data_list, record TSRMLS_CC);
+    if (rv == NULL) {
+        /* We should have already thrown the exception in handle_entry_data_list
+         */
+        return FAILURE;
+    }
+    MMDB_free_entry_data_list(entry_data_list);
+    return SUCCESS;
+}
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_maxminddbreader_void, 0, 0, 0)
+ZEND_END_ARG_INFO()
+
+PHP_METHOD(MaxMind_Db_Reader, metadata) {
+    zval *this_zval = NULL;
+
+    if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+                                     getThis(),
+                                     "O",
+                                     &this_zval,
+                                     maxminddb_ce) == FAILURE) {
+        return;
+    }
+
+    const maxminddb_obj *const mmdb_obj =
+        (maxminddb_obj *)Z_MAXMINDDB_P(this_zval);
+
+    if (NULL == mmdb_obj->mmdb) {
+        zend_throw_exception_ex(spl_ce_BadMethodCallException,
+                                0 TSRMLS_CC,
+                                "Attempt to read from a closed MaxMind DB.");
+        return;
+    }
+
+    object_init_ex(return_value, metadata_ce);
+
+    MMDB_entry_data_list_s *entry_data_list;
+    MMDB_get_metadata_as_entry_data_list(mmdb_obj->mmdb, &entry_data_list);
+
+    zval metadata_array;
+    const MMDB_entry_data_list_s *rv =
+        handle_entry_data_list(entry_data_list, &metadata_array TSRMLS_CC);
+    if (rv == NULL) {
+        return;
+    }
+    MMDB_free_entry_data_list(entry_data_list);
+    zend_call_method_with_1_params(PROP_OBJ(return_value),
+                                   metadata_ce,
+                                   &metadata_ce->constructor,
+                                   ZEND_CONSTRUCTOR_FUNC_NAME,
+                                   NULL,
+                                   &metadata_array);
+    zval_ptr_dtor(&metadata_array);
+}
+
+PHP_METHOD(MaxMind_Db_Reader, close) {
+    zval *this_zval = NULL;
+
+    if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+                                     getThis(),
+                                     "O",
+                                     &this_zval,
+                                     maxminddb_ce) == FAILURE) {
+        return;
+    }
+
+    maxminddb_obj *mmdb_obj = (maxminddb_obj *)Z_MAXMINDDB_P(this_zval);
+
+    if (NULL == mmdb_obj->mmdb) {
+        zend_throw_exception_ex(spl_ce_BadMethodCallException,
+                                0 TSRMLS_CC,
+                                "Attempt to close a closed MaxMind DB.");
+        return;
+    }
+    MMDB_close(mmdb_obj->mmdb);
+    efree(mmdb_obj->mmdb);
+    mmdb_obj->mmdb = NULL;
+}
+
+static const MMDB_entry_data_list_s *
+handle_entry_data_list(const MMDB_entry_data_list_s *entry_data_list,
+                       zval *z_value TSRMLS_DC) {
+    switch (entry_data_list->entry_data.type) {
+        case MMDB_DATA_TYPE_MAP:
+            return handle_map(entry_data_list, z_value TSRMLS_CC);
+        case MMDB_DATA_TYPE_ARRAY:
+            return handle_array(entry_data_list, z_value TSRMLS_CC);
+        case MMDB_DATA_TYPE_UTF8_STRING:
+            ZVAL_STRINGL(z_value,
+                         (char *)entry_data_list->entry_data.utf8_string,
+                         entry_data_list->entry_data.data_size);
+            break;
+        case MMDB_DATA_TYPE_BYTES:
+            ZVAL_STRINGL(z_value,
+                         (char *)entry_data_list->entry_data.bytes,
+                         entry_data_list->entry_data.data_size);
+            break;
+        case MMDB_DATA_TYPE_DOUBLE:
+            ZVAL_DOUBLE(z_value, entry_data_list->entry_data.double_value);
+            break;
+        case MMDB_DATA_TYPE_FLOAT:
+            ZVAL_DOUBLE(z_value, entry_data_list->entry_data.float_value);
+            break;
+        case MMDB_DATA_TYPE_UINT16:
+            ZVAL_LONG(z_value, entry_data_list->entry_data.uint16);
+            break;
+        case MMDB_DATA_TYPE_UINT32:
+            handle_uint32(entry_data_list, z_value TSRMLS_CC);
+            break;
+        case MMDB_DATA_TYPE_BOOLEAN:
+            ZVAL_BOOL(z_value, entry_data_list->entry_data.boolean);
+            break;
+        case MMDB_DATA_TYPE_UINT64:
+            handle_uint64(entry_data_list, z_value TSRMLS_CC);
+            break;
+        case MMDB_DATA_TYPE_UINT128:
+            handle_uint128(entry_data_list, z_value TSRMLS_CC);
+            break;
+        case MMDB_DATA_TYPE_INT32:
+            ZVAL_LONG(z_value, entry_data_list->entry_data.int32);
+            break;
+        default:
+            zend_throw_exception_ex(maxminddb_exception_ce,
+                                    0 TSRMLS_CC,
+                                    "Invalid data type arguments: %d",
+                                    entry_data_list->entry_data.type);
+            return NULL;
+    }
+    return entry_data_list;
+}
+
+static const MMDB_entry_data_list_s *
+handle_map(const MMDB_entry_data_list_s *entry_data_list,
+           zval *z_value TSRMLS_DC) {
+    array_init(z_value);
+    const uint32_t map_size = entry_data_list->entry_data.data_size;
+
+    uint32_t i;
+    for (i = 0; i < map_size && entry_data_list; i++) {
+        entry_data_list = entry_data_list->next;
+
+        char *key = estrndup((char *)entry_data_list->entry_data.utf8_string,
+                             entry_data_list->entry_data.data_size);
+        if (NULL == key) {
+            zend_throw_exception_ex(maxminddb_exception_ce,
+                                    0 TSRMLS_CC,
+                                    "Invalid data type arguments");
+            return NULL;
+        }
+
+        entry_data_list = entry_data_list->next;
+        zval new_value;
+        entry_data_list =
+            handle_entry_data_list(entry_data_list, &new_value TSRMLS_CC);
+        if (entry_data_list != NULL) {
+            add_assoc_zval(z_value, key, &new_value);
+        }
+        efree(key);
+    }
+    return entry_data_list;
+}
+
+static const MMDB_entry_data_list_s *
+handle_array(const MMDB_entry_data_list_s *entry_data_list,
+             zval *z_value TSRMLS_DC) {
+    const uint32_t size = entry_data_list->entry_data.data_size;
+
+    array_init(z_value);
+
+    uint32_t i;
+    for (i = 0; i < size && entry_data_list; i++) {
+        entry_data_list = entry_data_list->next;
+        zval new_value;
+        entry_data_list =
+            handle_entry_data_list(entry_data_list, &new_value TSRMLS_CC);
+        if (entry_data_list != NULL) {
+            add_next_index_zval(z_value, &new_value);
+        }
+    }
+    return entry_data_list;
+}
+
+static void handle_uint128(const MMDB_entry_data_list_s *entry_data_list,
+                           zval *z_value TSRMLS_DC) {
+    uint64_t high = 0;
+    uint64_t low = 0;
+#if MMDB_UINT128_IS_BYTE_ARRAY
+    int i;
+    for (i = 0; i < 8; i++) {
+        high = (high << 8) | entry_data_list->entry_data.uint128[i];
+    }
+
+    for (i = 8; i < 16; i++) {
+        low = (low << 8) | entry_data_list->entry_data.uint128[i];
+    }
+#else
+    high = entry_data_list->entry_data.uint128 >> 64;
+    low = (uint64_t)entry_data_list->entry_data.uint128;
+#endif
+
+    char *num_str;
+    spprintf(&num_str, 0, "0x%016" PRIX64 "%016" PRIX64, high, low);
+    CHECK_ALLOCATED(num_str);
+
+    ZVAL_STRING(z_value, num_str);
+    efree(num_str);
+}
+
+static void handle_uint32(const MMDB_entry_data_list_s *entry_data_list,
+                          zval *z_value TSRMLS_DC) {
+    uint32_t val = entry_data_list->entry_data.uint32;
+
+#if LONG_MAX >= UINT32_MAX
+    ZVAL_LONG(z_value, val);
+    return;
+#else
+    if (val <= LONG_MAX) {
+        ZVAL_LONG(z_value, val);
+        return;
+    }
+
+    char *int_str;
+    spprintf(&int_str, 0, "%" PRIu32, val);
+    CHECK_ALLOCATED(int_str);
+
+    ZVAL_STRING(z_value, int_str);
+    efree(int_str);
+#endif
+}
+
+static void handle_uint64(const MMDB_entry_data_list_s *entry_data_list,
+                          zval *z_value TSRMLS_DC) {
+    uint64_t val = entry_data_list->entry_data.uint64;
+
+#if LONG_MAX >= UINT64_MAX
+    ZVAL_LONG(z_value, val);
+    return;
+#else
+    if (val <= LONG_MAX) {
+        ZVAL_LONG(z_value, val);
+        return;
+    }
+
+    char *int_str;
+    spprintf(&int_str, 0, "%" PRIu64, val);
+    CHECK_ALLOCATED(int_str);
+
+    ZVAL_STRING(z_value, int_str);
+    efree(int_str);
+#endif
+}
+
+static void maxminddb_free_storage(free_obj_t *object TSRMLS_DC) {
+    maxminddb_obj *obj =
+        php_maxminddb_fetch_object((zend_object *)object TSRMLS_CC);
+    if (obj->mmdb != NULL) {
+        MMDB_close(obj->mmdb);
+        efree(obj->mmdb);
+    }
+
+    zend_object_std_dtor(&obj->std TSRMLS_CC);
+}
+
+static zend_object *maxminddb_create_handler(zend_class_entry *type TSRMLS_DC) {
+    maxminddb_obj *obj = (maxminddb_obj *)ecalloc(1, sizeof(maxminddb_obj));
+    zend_object_std_init(&obj->std, type TSRMLS_CC);
+    object_properties_init(&(obj->std), type);
+
+    obj->std.handlers = &maxminddb_obj_handlers;
+
+    return &obj->std;
+}
+
+/* clang-format off */
+static zend_function_entry maxminddb_methods[] = {
+    PHP_ME(MaxMind_Db_Reader, __construct, arginfo_maxminddbreader_construct,
+           ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
+    PHP_ME(MaxMind_Db_Reader, close, arginfo_maxminddbreader_void, ZEND_ACC_PUBLIC)
+    PHP_ME(MaxMind_Db_Reader, get, arginfo_maxminddbreader_get,  ZEND_ACC_PUBLIC)
+    PHP_ME(MaxMind_Db_Reader, getWithPrefixLen, arginfo_maxminddbreader_getWithPrefixLen,  ZEND_ACC_PUBLIC)
+    PHP_ME(MaxMind_Db_Reader, metadata, arginfo_maxminddbreader_void, ZEND_ACC_PUBLIC)
+    { NULL, NULL, NULL }
+};
+/* clang-format on */
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_metadata_construct, 0, 0, 1)
+ZEND_ARG_TYPE_INFO(0, metadata, IS_ARRAY, 0)
+ZEND_END_ARG_INFO()
+
+PHP_METHOD(MaxMind_Db_Reader_Metadata, __construct) {
+    zval *object = NULL;
+    zval *metadata_array = NULL;
+    zend_long node_count = 0;
+    zend_long record_size = 0;
+
+    if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+                                     getThis(),
+                                     "Oa",
+                                     &object,
+                                     metadata_ce,
+                                     &metadata_array) == FAILURE) {
+        return;
+    }
+
+    zval *tmp = NULL;
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "binary_format_major_version",
+                                  sizeof("binary_format_major_version") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "binaryFormatMajorVersion",
+                             sizeof("binaryFormatMajorVersion") - 1,
+                             tmp);
+    }
+
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "binary_format_minor_version",
+                                  sizeof("binary_format_minor_version") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "binaryFormatMinorVersion",
+                             sizeof("binaryFormatMinorVersion") - 1,
+                             tmp);
+    }
+
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "build_epoch",
+                                  sizeof("build_epoch") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "buildEpoch",
+                             sizeof("buildEpoch") - 1,
+                             tmp);
+    }
+
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "database_type",
+                                  sizeof("database_type") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "databaseType",
+                             sizeof("databaseType") - 1,
+                             tmp);
+    }
+
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "description",
+                                  sizeof("description") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "description",
+                             sizeof("description") - 1,
+                             tmp);
+    }
+
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "ip_version",
+                                  sizeof("ip_version") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "ipVersion",
+                             sizeof("ipVersion") - 1,
+                             tmp);
+    }
+
+    if ((tmp = zend_hash_str_find(
+             HASH_OF(metadata_array), "languages", sizeof("languages") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "languages",
+                             sizeof("languages") - 1,
+                             tmp);
+    }
+
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "record_size",
+                                  sizeof("record_size") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "recordSize",
+                             sizeof("recordSize") - 1,
+                             tmp);
+        if (Z_TYPE_P(tmp) == IS_LONG) {
+            record_size = Z_LVAL_P(tmp);
+        }
+    }
+
+    if (record_size != 0) {
+        zend_update_property_long(metadata_ce,
+                                  PROP_OBJ(object),
+                                  "nodeByteSize",
+                                  sizeof("nodeByteSize") - 1,
+                                  record_size / 4);
+    }
+
+    if ((tmp = zend_hash_str_find(HASH_OF(metadata_array),
+                                  "node_count",
+                                  sizeof("node_count") - 1))) {
+        zend_update_property(metadata_ce,
+                             PROP_OBJ(object),
+                             "nodeCount",
+                             sizeof("nodeCount") - 1,
+                             tmp);
+        if (Z_TYPE_P(tmp) == IS_LONG) {
+            node_count = Z_LVAL_P(tmp);
+        }
+    }
+
+    if (record_size != 0) {
+        zend_update_property_long(metadata_ce,
+                                  PROP_OBJ(object),
+                                  "searchTreeSize",
+                                  sizeof("searchTreeSize") - 1,
+                                  record_size * node_count / 4);
+    }
+}
+
+// clang-format off
+static zend_function_entry metadata_methods[] = {
+    PHP_ME(MaxMind_Db_Reader_Metadata, __construct, arginfo_metadata_construct, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
+    {NULL, NULL, NULL}
+};
+// clang-format on
+
+PHP_MINIT_FUNCTION(maxminddb) {
+    zend_class_entry ce;
+
+    INIT_CLASS_ENTRY(ce, PHP_MAXMINDDB_READER_EX_NS, NULL);
+    maxminddb_exception_ce =
+        zend_register_internal_class_ex(&ce, zend_ce_exception);
+
+    INIT_CLASS_ENTRY(ce, PHP_MAXMINDDB_READER_NS, maxminddb_methods);
+    maxminddb_ce = zend_register_internal_class(&ce TSRMLS_CC);
+    maxminddb_ce->create_object = maxminddb_create_handler;
+
+    INIT_CLASS_ENTRY(ce, PHP_MAXMINDDB_METADATA_NS, metadata_methods);
+    metadata_ce = zend_register_internal_class(&ce TSRMLS_CC);
+    zend_declare_property_null(metadata_ce,
+                               "binaryFormatMajorVersion",
+                               sizeof("binaryFormatMajorVersion") - 1,
+                               ZEND_ACC_PUBLIC);
+    zend_declare_property_null(metadata_ce,
+                               "binaryFormatMinorVersion",
+                               sizeof("binaryFormatMinorVersion") - 1,
+                               ZEND_ACC_PUBLIC);
+    zend_declare_property_null(
+        metadata_ce, "buildEpoch", sizeof("buildEpoch") - 1, ZEND_ACC_PUBLIC);
+    zend_declare_property_null(metadata_ce,
+                               "databaseType",
+                               sizeof("databaseType") - 1,
+                               ZEND_ACC_PUBLIC);
+    zend_declare_property_null(
+        metadata_ce, "description", sizeof("description") - 1, ZEND_ACC_PUBLIC);
+    zend_declare_property_null(
+        metadata_ce, "ipVersion", sizeof("ipVersion") - 1, ZEND_ACC_PUBLIC);
+    zend_declare_property_null(
+        metadata_ce, "languages", sizeof("languages") - 1, ZEND_ACC_PUBLIC);
+    zend_declare_property_null(metadata_ce,
+                               "nodeByteSize",
+                               sizeof("nodeByteSize") - 1,
+                               ZEND_ACC_PUBLIC);
+    zend_declare_property_null(
+        metadata_ce, "nodeCount", sizeof("nodeCount") - 1, ZEND_ACC_PUBLIC);
+    zend_declare_property_null(
+        metadata_ce, "recordSize", sizeof("recordSize") - 1, ZEND_ACC_PUBLIC);
+    zend_declare_property_null(metadata_ce,
+                               "searchTreeSize",
+                               sizeof("searchTreeSize") - 1,
+                               ZEND_ACC_PUBLIC);
+
+    memcpy(&maxminddb_obj_handlers,
+           zend_get_std_object_handlers(),
+           sizeof(zend_object_handlers));
+    maxminddb_obj_handlers.clone_obj = NULL;
+    maxminddb_obj_handlers.offset = XtOffsetOf(maxminddb_obj, std);
+    maxminddb_obj_handlers.free_obj = maxminddb_free_storage;
+    zend_declare_class_constant_string(maxminddb_ce,
+                                       "MMDB_LIB_VERSION",
+                                       sizeof("MMDB_LIB_VERSION") - 1,
+                                       MMDB_lib_version() TSRMLS_CC);
+
+    return SUCCESS;
+}
+
+static PHP_MINFO_FUNCTION(maxminddb) {
+    php_info_print_table_start();
+
+    php_info_print_table_row(2, "MaxMind DB Reader", "enabled");
+    php_info_print_table_row(
+        2, "maxminddb extension version", PHP_MAXMINDDB_VERSION);
+    php_info_print_table_row(
+        2, "libmaxminddb library version", MMDB_lib_version());
+
+    php_info_print_table_end();
+}
+
+zend_module_entry maxminddb_module_entry = {STANDARD_MODULE_HEADER,
+                                            PHP_MAXMINDDB_EXTNAME,
+                                            NULL,
+                                            PHP_MINIT(maxminddb),
+                                            NULL,
+                                            NULL,
+                                            NULL,
+                                            PHP_MINFO(maxminddb),
+                                            PHP_MAXMINDDB_VERSION,
+                                            STANDARD_MODULE_PROPERTIES};
+
+#ifdef COMPILE_DL_MAXMINDDB
+ZEND_GET_MODULE(maxminddb)
+#endif

plugins/system/tgeoip/vendor/maxmind-db/reader/ext/php_maxminddb.h

@@ -0,0 +1,24 @@
+/* MaxMind, Inc., licenses this file to you under the Apache License, Version
+ * 2.0 (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <zend_interfaces.h>
+
+#ifndef PHP_MAXMINDDB_H
+#define PHP_MAXMINDDB_H 1
+#define PHP_MAXMINDDB_VERSION "1.10.1"
+#define PHP_MAXMINDDB_EXTNAME "maxminddb"
+
+extern zend_module_entry maxminddb_module_entry;
+#define phpext_maxminddb_ptr &maxminddb_module_entry
+
+#endif

plugins/system/tgeoip/vendor/maxmind-db/reader/package.xml

@@ -0,0 +1,63 @@
+<?xml version="1.0"?>
+<package version="2.0" xmlns="http://pear.php.net/dtd/package-2.0"
+    xmlns:tasks="http://pear.php.net/dtd/tasks-1.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.0 http://pear.php.net/dtd/package-2.0.xsd">
+
+    <name>maxminddb</name>
+    <channel>pecl.php.net</channel>
+    <summary>Reader for the MaxMind DB file format</summary>
+    <description>This is the PHP extension for reading MaxMind DB files. MaxMind DB is a binary file format that stores data indexed by IP address subnets (IPv4 or IPv6).</description>
+    <lead>
+        <name>Greg Oschwald</name>
+        <user>oschwald</user>
+        <email>goschwald@maxmind.com</email>
+        <active>yes</active>
+    </lead>
+    <date>2021-04-14</date>
+    <version>
+        <release>1.10.1</release>
+        <api>1.10.1</api>
+    </version>
+    <stability>
+        <release>stable</release>
+        <api>stable</api>
+    </stability>
+    <license uri="https://github.com/maxmind/MaxMind-DB-Reader-php/blob/main/LICENSE">Apache License 2.0</license>
+    <notes>* Fix a `TypeError` exception in the pure PHP reader when using large
+  databases on 32-bit PHP builds with the `bcmath` extension. Reported
+  by dodo1708. GitHub #124.</notes>
+    <contents>
+        <dir name="/">
+            <file role="doc" name="LICENSE"/>
+            <file role="doc" name="CHANGELOG.md"/>
+            <file role="doc" name="README.md"/>
+
+            <dir name="ext">
+                <file role="src" name="config.m4"/>
+                <file role="src" name="config.w32"/>
+
+                <file role="src" name="maxminddb.c"/>
+                <file role="src" name="php_maxminddb.h"/>
+
+                <dir name="tests">
+                    <file role="test" name="001-load.phpt"/>
+                    <file role="test" name="002-final.phpt"/>
+                    <file role="test" name="003-open-basedir.phpt"/>
+                </dir>
+            </dir>
+        </dir>
+    </contents>
+    <dependencies>
+        <required>
+            <php>
+                <min>7.2.0</min>
+            </php>
+            <pearinstaller>
+                <min>1.10.0</min>
+            </pearinstaller>
+        </required>
+    </dependencies>
+    <providesextension>maxminddb</providesextension>
+    <extsrcrelease />
+</package>

plugins/system/tgeoip/vendor/maxmind-db/reader/src/MaxMind/Db/Reader.php

@@ -0,0 +1,287 @@
+<?php
+
+declare (strict_types=1);
+namespace Tassos\Vendor\MaxMind\Db;
+
+use ArgumentCountError;
+use BadMethodCallException;
+use Exception;
+use InvalidArgumentException;
+use Tassos\Vendor\MaxMind\Db\Reader\Decoder;
+use Tassos\Vendor\MaxMind\Db\Reader\InvalidDatabaseException;
+use Tassos\Vendor\MaxMind\Db\Reader\Metadata;
+use Tassos\Vendor\MaxMind\Db\Reader\Util;
+use UnexpectedValueException;
+/**
+ * Instances of this class provide a reader for the MaxMind DB format. IP
+ * addresses can be looked up using the get method.
+ */
+class Reader
+{
+    /**
+     * @var int
+     */
+    private static $DATA_SECTION_SEPARATOR_SIZE = 16;
+    /**
+     * @var string
+     */
+    private static $METADATA_START_MARKER = "\xab\xcd\xefMaxMind.com";
+    /**
+     * @var int
+     */
+    private static $METADATA_START_MARKER_LENGTH = 14;
+    /**
+     * @var int
+     */
+    private static $METADATA_MAX_SIZE = 131072;
+    // 128 * 1024 = 128KiB
+    /**
+     * @var Decoder
+     */
+    private $decoder;
+    /**
+     * @var resource
+     */
+    private $fileHandle;
+    /**
+     * @var int
+     */
+    private $fileSize;
+    /**
+     * @var int
+     */
+    private $ipV4Start;
+    /**
+     * @var Metadata
+     */
+    private $metadata;
+    /**
+     * Constructs a Reader for the MaxMind DB format. The file passed to it must
+     * be a valid MaxMind DB file such as a GeoIp2 database file.
+     *
+     * @param string $database
+     *                         the MaxMind DB file to use
+     *
+     * @throws InvalidArgumentException for invalid database path or unknown arguments
+     * @throws InvalidDatabaseException
+     *                                  if the database is invalid or there is an error reading
+     *                                  from it
+     */
+    public function __construct(string $database)
+    {
+        if (\func_num_args() !== 1) {
+            throw new ArgumentCountError(\sprintf('%s() expects exactly 1 parameter, %d given', __METHOD__, \func_num_args()));
+        }
+        $fileHandle = @\fopen($database, 'rb');
+        if ($fileHandle === \false) {
+            throw new InvalidArgumentException("The file \"{$database}\" does not exist or is not readable.");
+        }
+        $this->fileHandle = $fileHandle;
+        $fileSize = @\filesize($database);
+        if ($fileSize === \false) {
+            throw new UnexpectedValueException("Error determining the size of \"{$database}\".");
+        }
+        $this->fileSize = $fileSize;
+        $start = $this->findMetadataStart($database);
+        $metadataDecoder = new Decoder($this->fileHandle, $start);
+        [$metadataArray] = $metadataDecoder->decode($start);
+        $this->metadata = new Metadata($metadataArray);
+        $this->decoder = new Decoder($this->fileHandle, $this->metadata->searchTreeSize + self::$DATA_SECTION_SEPARATOR_SIZE);
+        $this->ipV4Start = $this->ipV4StartNode();
+    }
+    /**
+     * Retrieves the record for the IP address.
+     *
+     * @param string $ipAddress
+     *                          the IP address to look up
+     *
+     * @throws BadMethodCallException   if this method is called on a closed database
+     * @throws InvalidArgumentException if something other than a single IP address is passed to the method
+     * @throws InvalidDatabaseException
+     *                                  if the database is invalid or there is an error reading
+     *                                  from it
+     *
+     * @return mixed the record for the IP address
+     */
+    public function get(string $ipAddress)
+    {
+        if (\func_num_args() !== 1) {
+            throw new ArgumentCountError(\sprintf('%s() expects exactly 1 parameter, %d given', __METHOD__, \func_num_args()));
+        }
+        [$record] = $this->getWithPrefixLen($ipAddress);
+        return $record;
+    }
+    /**
+     * Retrieves the record for the IP address and its associated network prefix length.
+     *
+     * @param string $ipAddress
+     *                          the IP address to look up
+     *
+     * @throws BadMethodCallException   if this method is called on a closed database
+     * @throws InvalidArgumentException if something other than a single IP address is passed to the method
+     * @throws InvalidDatabaseException
+     *                                  if the database is invalid or there is an error reading
+     *                                  from it
+     *
+     * @return array an array where the first element is the record and the
+     *               second the network prefix length for the record
+     */
+    public function getWithPrefixLen(string $ipAddress) : array
+    {
+        if (\func_num_args() !== 1) {
+            throw new ArgumentCountError(\sprintf('%s() expects exactly 1 parameter, %d given', __METHOD__, \func_num_args()));
+        }
+        if (!\is_resource($this->fileHandle)) {
+            throw new BadMethodCallException('Attempt to read from a closed MaxMind DB.');
+        }
+        [$pointer, $prefixLen] = $this->findAddressInTree($ipAddress);
+        if ($pointer === 0) {
+            return [null, $prefixLen];
+        }
+        return [$this->resolveDataPointer($pointer), $prefixLen];
+    }
+    private function findAddressInTree(string $ipAddress) : array
+    {
+        $packedAddr = @\inet_pton($ipAddress);
+        if ($packedAddr === \false) {
+            throw new InvalidArgumentException("The value \"{$ipAddress}\" is not a valid IP address.");
+        }
+        $rawAddress = \unpack('C*', $packedAddr);
+        $bitCount = \count($rawAddress) * 8;
+        // The first node of the tree is always node 0, at the beginning of the
+        // value
+        $node = 0;
+        $metadata = $this->metadata;
+        // Check if we are looking up an IPv4 address in an IPv6 tree. If this
+        // is the case, we can skip over the first 96 nodes.
+        if ($metadata->ipVersion === 6) {
+            if ($bitCount === 32) {
+                $node = $this->ipV4Start;
+            }
+        } elseif ($metadata->ipVersion === 4 && $bitCount === 128) {
+            throw new InvalidArgumentException("Error looking up {$ipAddress}. You attempted to look up an" . ' IPv6 address in an IPv4-only database.');
+        }
+        $nodeCount = $metadata->nodeCount;
+        for ($i = 0; $i < $bitCount && $node < $nodeCount; ++$i) {
+            $tempBit = 0xff & $rawAddress[($i >> 3) + 1];
+            $bit = 1 & $tempBit >> 7 - $i % 8;
+            $node = $this->readNode($node, $bit);
+        }
+        if ($node === $nodeCount) {
+            // Record is empty
+            return [0, $i];
+        }
+        if ($node > $nodeCount) {
+            // Record is a data pointer
+            return [$node, $i];
+        }
+        throw new InvalidDatabaseException('Invalid or corrupt database. Maximum search depth reached without finding a leaf node');
+    }
+    private function ipV4StartNode() : int
+    {
+        // If we have an IPv4 database, the start node is the first node
+        if ($this->metadata->ipVersion === 4) {
+            return 0;
+        }
+        $node = 0;
+        for ($i = 0; $i < 96 && $node < $this->metadata->nodeCount; ++$i) {
+            $node = $this->readNode($node, 0);
+        }
+        return $node;
+    }
+    private function readNode(int $nodeNumber, int $index) : int
+    {
+        $baseOffset = $nodeNumber * $this->metadata->nodeByteSize;
+        switch ($this->metadata->recordSize) {
+            case 24:
+                $bytes = Util::read($this->fileHandle, $baseOffset + $index * 3, 3);
+                [, $node] = \unpack('N', "\x00" . $bytes);
+                return $node;
+            case 28:
+                $bytes = Util::read($this->fileHandle, $baseOffset + 3 * $index, 4);
+                if ($index === 0) {
+                    $middle = (0xf0 & \ord($bytes[3])) >> 4;
+                } else {
+                    $middle = 0xf & \ord($bytes[0]);
+                }
+                [, $node] = \unpack('N', \chr($middle) . \substr($bytes, $index, 3));
+                return $node;
+            case 32:
+                $bytes = Util::read($this->fileHandle, $baseOffset + $index * 4, 4);
+                [, $node] = \unpack('N', $bytes);
+                return $node;
+            default:
+                throw new InvalidDatabaseException('Unknown record size: ' . $this->metadata->recordSize);
+        }
+    }
+    /**
+     * @return mixed
+     */
+    private function resolveDataPointer(int $pointer)
+    {
+        $resolved = $pointer - $this->metadata->nodeCount + $this->metadata->searchTreeSize;
+        if ($resolved >= $this->fileSize) {
+            throw new InvalidDatabaseException("The MaxMind DB file's search tree is corrupt");
+        }
+        [$data] = $this->decoder->decode($resolved);
+        return $data;
+    }
+    /*
+     * This is an extremely naive but reasonably readable implementation. There
+     * are much faster algorithms (e.g., Boyer-Moore) for this if speed is ever
+     * an issue, but I suspect it won't be.
+     */
+    private function findMetadataStart(string $filename) : int
+    {
+        $handle = $this->fileHandle;
+        $fstat = \fstat($handle);
+        $fileSize = $fstat['size'];
+        $marker = self::$METADATA_START_MARKER;
+        $markerLength = self::$METADATA_START_MARKER_LENGTH;
+        $minStart = $fileSize - \min(self::$METADATA_MAX_SIZE, $fileSize);
+        for ($offset = $fileSize - $markerLength; $offset >= $minStart; --$offset) {
+            if (\fseek($handle, $offset) !== 0) {
+                break;
+            }
+            $value = \fread($handle, $markerLength);
+            if ($value === $marker) {
+                return $offset + $markerLength;
+            }
+        }
+        throw new InvalidDatabaseException("Error opening database file ({$filename}). " . 'Is this a valid MaxMind DB file?');
+    }
+    /**
+     * @throws InvalidArgumentException if arguments are passed to the method
+     * @throws BadMethodCallException   if the database has been closed
+     *
+     * @return Metadata object for the database
+     */
+    public function metadata() : Metadata
+    {
+        if (\func_num_args()) {
+            throw new ArgumentCountError(\sprintf('%s() expects exactly 0 parameters, %d given', __METHOD__, \func_num_args()));
+        }
+        // Not technically required, but this makes it consistent with
+        // C extension and it allows us to change our implementation later.
+        if (!\is_resource($this->fileHandle)) {
+            throw new BadMethodCallException('Attempt to read from a closed MaxMind DB.');
+        }
+        return clone $this->metadata;
+    }
+    /**
+     * Closes the MaxMind DB and returns resources to the system.
+     *
+     * @throws Exception
+     *                   if an I/O error occurs
+     */
+    public function close() : void
+    {
+        if (\func_num_args()) {
+            throw new ArgumentCountError(\sprintf('%s() expects exactly 0 parameters, %d given', __METHOD__, \func_num_args()));
+        }
+        if (!\is_resource($this->fileHandle)) {
+            throw new BadMethodCallException('Attempt to close a closed MaxMind DB.');
+        }
+        \fclose($this->fileHandle);
+    }
+}

plugins/system/tgeoip/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Decoder.php

@@ -0,0 +1,275 @@
+<?php
+
+declare (strict_types=1);
+namespace Tassos\Vendor\MaxMind\Db\Reader;
+
+// @codingStandardsIgnoreLine
+use RuntimeException;
+class Decoder
+{
+    /**
+     * @var resource
+     */
+    private $fileStream;
+    /**
+     * @var int
+     */
+    private $pointerBase;
+    /**
+     * @var float
+     */
+    private $pointerBaseByteSize;
+    /**
+     * This is only used for unit testing.
+     *
+     * @var bool
+     */
+    private $pointerTestHack;
+    /**
+     * @var bool
+     */
+    private $switchByteOrder;
+    private const _EXTENDED = 0;
+    private const _POINTER = 1;
+    private const _UTF8_STRING = 2;
+    private const _DOUBLE = 3;
+    private const _BYTES = 4;
+    private const _UINT16 = 5;
+    private const _UINT32 = 6;
+    private const _MAP = 7;
+    private const _INT32 = 8;
+    private const _UINT64 = 9;
+    private const _UINT128 = 10;
+    private const _ARRAY = 11;
+    private const _CONTAINER = 12;
+    private const _END_MARKER = 13;
+    private const _BOOLEAN = 14;
+    private const _FLOAT = 15;
+    /**
+     * @param resource $fileStream
+     */
+    public function __construct($fileStream, int $pointerBase = 0, bool $pointerTestHack = \false)
+    {
+        $this->fileStream = $fileStream;
+        $this->pointerBase = $pointerBase;
+        $this->pointerBaseByteSize = $pointerBase > 0 ? \log($pointerBase, 2) / 8 : 0;
+        $this->pointerTestHack = $pointerTestHack;
+        $this->switchByteOrder = $this->isPlatformLittleEndian();
+    }
+    public function decode(int $offset) : array
+    {
+        $ctrlByte = \ord(Util::read($this->fileStream, $offset, 1));
+        ++$offset;
+        $type = $ctrlByte >> 5;
+        // Pointers are a special case, we don't read the next $size bytes, we
+        // use the size to determine the length of the pointer and then follow
+        // it.
+        if ($type === self::_POINTER) {
+            [$pointer, $offset] = $this->decodePointer($ctrlByte, $offset);
+            // for unit testing
+            if ($this->pointerTestHack) {
+                return [$pointer];
+            }
+            [$result] = $this->decode($pointer);
+            return [$result, $offset];
+        }
+        if ($type === self::_EXTENDED) {
+            $nextByte = \ord(Util::read($this->fileStream, $offset, 1));
+            $type = $nextByte + 7;
+            if ($type < 8) {
+                throw new InvalidDatabaseException('Something went horribly wrong in the decoder. An extended type ' . 'resolved to a type number < 8 (' . $type . ')');
+            }
+            ++$offset;
+        }
+        [$size, $offset] = $this->sizeFromCtrlByte($ctrlByte, $offset);
+        return $this->decodeByType($type, $offset, $size);
+    }
+    private function decodeByType(int $type, int $offset, int $size) : array
+    {
+        switch ($type) {
+            case self::_MAP:
+                return $this->decodeMap($size, $offset);
+            case self::_ARRAY:
+                return $this->decodeArray($size, $offset);
+            case self::_BOOLEAN:
+                return [$this->decodeBoolean($size), $offset];
+        }
+        $newOffset = $offset + $size;
+        $bytes = Util::read($this->fileStream, $offset, $size);
+        switch ($type) {
+            case self::_BYTES:
+            case self::_UTF8_STRING:
+                return [$bytes, $newOffset];
+            case self::_DOUBLE:
+                $this->verifySize(8, $size);
+                return [$this->decodeDouble($bytes), $newOffset];
+            case self::_FLOAT:
+                $this->verifySize(4, $size);
+                return [$this->decodeFloat($bytes), $newOffset];
+            case self::_INT32:
+                return [$this->decodeInt32($bytes, $size), $newOffset];
+            case self::_UINT16:
+            case self::_UINT32:
+            case self::_UINT64:
+            case self::_UINT128:
+                return [$this->decodeUint($bytes, $size), $newOffset];
+            default:
+                throw new InvalidDatabaseException('Unknown or unexpected type: ' . $type);
+        }
+    }
+    private function verifySize(int $expected, int $actual) : void
+    {
+        if ($expected !== $actual) {
+            throw new InvalidDatabaseException("The MaxMind DB file's data section contains bad data (unknown data type or corrupt data)");
+        }
+    }
+    private function decodeArray(int $size, int $offset) : array
+    {
+        $array = [];
+        for ($i = 0; $i < $size; ++$i) {
+            [$value, $offset] = $this->decode($offset);
+            $array[] = $value;
+        }
+        return [$array, $offset];
+    }
+    private function decodeBoolean(int $size) : bool
+    {
+        return $size !== 0;
+    }
+    private function decodeDouble(string $bytes) : float
+    {
+        // This assumes IEEE 754 doubles, but most (all?) modern platforms
+        // use them.
+        [, $double] = \unpack('E', $bytes);
+        return $double;
+    }
+    private function decodeFloat(string $bytes) : float
+    {
+        // This assumes IEEE 754 floats, but most (all?) modern platforms
+        // use them.
+        [, $float] = \unpack('G', $bytes);
+        return $float;
+    }
+    private function decodeInt32(string $bytes, int $size) : int
+    {
+        switch ($size) {
+            case 0:
+                return 0;
+            case 1:
+            case 2:
+            case 3:
+                $bytes = \str_pad($bytes, 4, "\x00", \STR_PAD_LEFT);
+                break;
+            case 4:
+                break;
+            default:
+                throw new InvalidDatabaseException("The MaxMind DB file's data section contains bad data (unknown data type or corrupt data)");
+        }
+        [, $int] = \unpack('l', $this->maybeSwitchByteOrder($bytes));
+        return $int;
+    }
+    private function decodeMap(int $size, int $offset) : array
+    {
+        $map = [];
+        for ($i = 0; $i < $size; ++$i) {
+            [$key, $offset] = $this->decode($offset);
+            [$value, $offset] = $this->decode($offset);
+            $map[$key] = $value;
+        }
+        return [$map, $offset];
+    }
+    private function decodePointer(int $ctrlByte, int $offset) : array
+    {
+        $pointerSize = ($ctrlByte >> 3 & 0x3) + 1;
+        $buffer = Util::read($this->fileStream, $offset, $pointerSize);
+        $offset = $offset + $pointerSize;
+        switch ($pointerSize) {
+            case 1:
+                $packed = \chr($ctrlByte & 0x7) . $buffer;
+                [, $pointer] = \unpack('n', $packed);
+                $pointer += $this->pointerBase;
+                break;
+            case 2:
+                $packed = "\x00" . \chr($ctrlByte & 0x7) . $buffer;
+                [, $pointer] = \unpack('N', $packed);
+                $pointer += $this->pointerBase + 2048;
+                break;
+            case 3:
+                $packed = \chr($ctrlByte & 0x7) . $buffer;
+                // It is safe to use 'N' here, even on 32 bit machines as the
+                // first bit is 0.
+                [, $pointer] = \unpack('N', $packed);
+                $pointer += $this->pointerBase + 526336;
+                break;
+            case 4:
+                // We cannot use unpack here as we might overflow on 32 bit
+                // machines
+                $pointerOffset = $this->decodeUint($buffer, $pointerSize);
+                $pointerBase = $this->pointerBase;
+                if (\PHP_INT_MAX - $pointerBase >= $pointerOffset) {
+                    $pointer = $pointerOffset + $pointerBase;
+                } else {
+                    throw new RuntimeException('The database offset is too large to be represented on your platform.');
+                }
+                break;
+            default:
+                throw new InvalidDatabaseException('Unexpected pointer size ' . $pointerSize);
+        }
+        return [$pointer, $offset];
+    }
+    // @phpstan-ignore-next-line
+    private function decodeUint(string $bytes, int $byteLength)
+    {
+        if ($byteLength === 0) {
+            return 0;
+        }
+        $integer = 0;
+        // PHP integers are signed. PHP_INT_SIZE - 1 is the number of
+        // complete bytes that can be converted to an integer. However,
+        // we can convert another byte if the leading bit is zero.
+        $useRealInts = $byteLength <= \PHP_INT_SIZE - 1 || $byteLength === \PHP_INT_SIZE && (\ord($bytes[0]) & 0x80) === 0;
+        for ($i = 0; $i < $byteLength; ++$i) {
+            $part = \ord($bytes[$i]);
+            // We only use gmp or bcmath if the final value is too big
+            if ($useRealInts) {
+                $integer = ($integer << 8) + $part;
+            } elseif (\extension_loaded('gmp')) {
+                $integer = \gmp_strval(\gmp_add(\gmp_mul((string) $integer, '256'), $part));
+            } elseif (\extension_loaded('bcmath')) {
+                $integer = \bcadd(\bcmul((string) $integer, '256'), (string) $part);
+            } else {
+                throw new RuntimeException('The gmp or bcmath extension must be installed to read this database.');
+            }
+        }
+        return $integer;
+    }
+    private function sizeFromCtrlByte(int $ctrlByte, int $offset) : array
+    {
+        $size = $ctrlByte & 0x1f;
+        if ($size < 29) {
+            return [$size, $offset];
+        }
+        $bytesToRead = $size - 28;
+        $bytes = Util::read($this->fileStream, $offset, $bytesToRead);
+        if ($size === 29) {
+            $size = 29 + \ord($bytes);
+        } elseif ($size === 30) {
+            [, $adjust] = \unpack('n', $bytes);
+            $size = 285 + $adjust;
+        } else {
+            [, $adjust] = \unpack('N', "\x00" . $bytes);
+            $size = $adjust + 65821;
+        }
+        return [$size, $offset + $bytesToRead];
+    }
+    private function maybeSwitchByteOrder(string $bytes) : string
+    {
+        return $this->switchByteOrder ? \strrev($bytes) : $bytes;
+    }
+    private function isPlatformLittleEndian() : bool
+    {
+        $testint = 0xff;
+        $packed = \pack('S', $testint);
+        return $testint === \current(\unpack('v', $packed));
+    }
+}

plugins/system/tgeoip/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/InvalidDatabaseException.php

@@ -0,0 +1,12 @@
+<?php
+
+declare (strict_types=1);
+namespace Tassos\Vendor\MaxMind\Db\Reader;
+
+use Exception;
+/**
+ * This class should be thrown when unexpected data is found in the database.
+ */
+class InvalidDatabaseException extends Exception
+{
+}

plugins/system/tgeoip/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Metadata.php

@@ -0,0 +1,104 @@
+<?php
+
+declare (strict_types=1);
+namespace Tassos\Vendor\MaxMind\Db\Reader;
+
+use ArgumentCountError;
+/**
+ * This class provides the metadata for the MaxMind DB file.
+ */
+class Metadata
+{
+    /**
+     * This is an unsigned 16-bit integer indicating the major version number
+     * for the database's binary format.
+     *
+     * @var int
+     */
+    public $binaryFormatMajorVersion;
+    /**
+     * This is an unsigned 16-bit integer indicating the minor version number
+     * for the database's binary format.
+     *
+     * @var int
+     */
+    public $binaryFormatMinorVersion;
+    /**
+     * This is an unsigned 64-bit integer that contains the database build
+     * timestamp as a Unix epoch value.
+     *
+     * @var int
+     */
+    public $buildEpoch;
+    /**
+     * This is a string that indicates the structure of each data record
+     * associated with an IP address.  The actual definition of these
+     * structures is left up to the database creator.
+     *
+     * @var string
+     */
+    public $databaseType;
+    /**
+     * This key will always point to a map (associative array). The keys of
+     * that map will be language codes, and the values will be a description
+     * in that language as a UTF-8 string. May be undefined for some
+     * databases.
+     *
+     * @var array
+     */
+    public $description;
+    /**
+     * This is an unsigned 16-bit integer which is always 4 or 6. It indicates
+     * whether the database contains IPv4 or IPv6 address data.
+     *
+     * @var int
+     */
+    public $ipVersion;
+    /**
+     * An array of strings, each of which is a language code. A given record
+     * may contain data items that have been localized to some or all of
+     * these languages. This may be undefined.
+     *
+     * @var array
+     */
+    public $languages;
+    /**
+     * @var int
+     */
+    public $nodeByteSize;
+    /**
+     * This is an unsigned 32-bit integer indicating the number of nodes in
+     * the search tree.
+     *
+     * @var int
+     */
+    public $nodeCount;
+    /**
+     * This is an unsigned 16-bit integer. It indicates the number of bits in a
+     * record in the search tree. Note that each node consists of two records.
+     *
+     * @var int
+     */
+    public $recordSize;
+    /**
+     * @var int
+     */
+    public $searchTreeSize;
+    public function __construct(array $metadata)
+    {
+        if (\func_num_args() !== 1) {
+            throw new ArgumentCountError(\sprintf('%s() expects exactly 1 parameter, %d given', __METHOD__, \func_num_args()));
+        }
+        $this->binaryFormatMajorVersion = $metadata['binary_format_major_version'];
+        $this->binaryFormatMinorVersion = $metadata['binary_format_minor_version'];
+        $this->buildEpoch = $metadata['build_epoch'];
+        $this->databaseType = $metadata['database_type'];
+        $this->languages = $metadata['languages'];
+        $this->description = $metadata['description'];
+        $this->ipVersion = $metadata['ip_version'];
+        $this->nodeCount = $metadata['node_count'];
+        $this->recordSize = $metadata['record_size'];
+        $this->nodeByteSize = $this->recordSize / 4;
+        $this->searchTreeSize = $this->nodeCount * $this->nodeByteSize;
+    }
+}

plugins/system/tgeoip/vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Util.php

@@ -0,0 +1,27 @@
+<?php
+
+declare (strict_types=1);
+namespace Tassos\Vendor\MaxMind\Db\Reader;
+
+class Util
+{
+    /**
+     * @param resource $stream
+     */
+    public static function read($stream, int $offset, int $numberOfBytes) : string
+    {
+        if ($numberOfBytes === 0) {
+            return '';
+        }
+        if (\fseek($stream, $offset) === 0) {
+            $value = \fread($stream, $numberOfBytes);
+            // We check that the number of bytes read is equal to the number
+            // asked for. We use ftell as getting the length of $value is
+            // much slower.
+            if ($value !== \false && \ftell($stream) - $offset === $numberOfBytes) {
+                return $value;
+            }
+        }
+        throw new InvalidDatabaseException('The MaxMind DB file contains bad data');
+    }
+}