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Unify URI encoding/decoding and add to C#

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http_escape and percent_encode have been unified into uri_encode, and http_unescape and percent_decode have been unified into uri_decode.
This commit is contained in:
Aaron Franke 2020-11-29 22:43:38 -05:00
parent a3e3bf8227
commit e829b7aee4
No known key found for this signature in database
GPG key ID: 40A1750B977E56BF
15 changed files with 81 additions and 142 deletions
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6
core/io/http_client.cpp
View file

@ -736,14 +736,14 @@ String HTTPClient::query_string_from_dict(const Dictionary &p_dict) {
String query = "";
Array keys = p_dict.keys();
for (int i = 0; i < keys.size(); ++i) {
String encoded_key = String(keys[i]).http_escape();
String encoded_key = String(keys[i]).uri_encode();
Variant value = p_dict[keys[i]];
switch (value.get_type()) {
case Variant::ARRAY: {
// Repeat the key with every values
Array values = value;
for (int j = 0; j < values.size(); ++j) {
query += "&" + encoded_key + "=" + String(values[j]).http_escape();
query += "&" + encoded_key + "=" + String(values[j]).uri_encode();
}
break;
}
@ -754,7 +754,7 @@ String HTTPClient::query_string_from_dict(const Dictionary &p_dict) {
}
default: {
// Add the key-value pair
query += "&" + encoded_key + "=" + String(value).http_escape();
query += "&" + encoded_key + "=" + String(value).uri_encode();
}
}
}

63
core/string/ustring.cpp
View file

@ -3752,7 +3752,7 @@ bool String::is_valid_string() const {
return valid;
}
String String::http_escape() const {
String String::uri_encode() const {
const CharString temp = utf8();
String res;
for (int i = 0; i < temp.length(); ++i) {
@ -3776,7 +3776,7 @@ String String::http_escape() const {
return res;
}
String String::http_unescape() const {
String String::uri_decode() const {
String res;
for (int i = 0; i < length(); ++i) {
if (unicode_at(i) == '%' && i + 2 < length()) {
@ -3791,6 +3791,8 @@ String String::http_unescape() const {
} else {
res += unicode_at(i);
}
} else if (unicode_at(i) == '+') {
res += ' ';
} else {
res += unicode_at(i);
}
@ -4342,63 +4344,6 @@ String String::plus_file(const String &p_file) const {
return *this + "/" + p_file;
}
String String::percent_encode() const {
CharString cs = utf8();
String encoded;
for (int i = 0; i < cs.length(); i++) {
uint8_t c = cs[i];
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '-' || c == '_' || c == '~' || c == '.') {
char p[2] = { (char)c, 0 };
encoded += p;
} else {
char p[4] = { '%', 0, 0, 0 };
static const char hex[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
p[1] = hex[c >> 4];
p[2] = hex[c & 0xF];
encoded += p;
}
}
return encoded;
}
String String::percent_decode() const {
CharString pe;
CharString cs = utf8();
for (int i = 0; i < cs.length(); i++) {
uint8_t c = cs[i];
if (c == '%' && i < length() - 2) {
uint8_t a = LOWERCASE(cs[i + 1]);
uint8_t b = LOWERCASE(cs[i + 2]);
if (a >= '0' && a <= '9') {
c = (a - '0') << 4;
} else if (a >= 'a' && a <= 'f') {
c = (a - 'a' + 10) << 4;
} else {
continue;
}
uint8_t d = 0;
if (b >= '0' && b <= '9') {
d = (b - '0');
} else if (b >= 'a' && b <= 'f') {
d = (b - 'a' + 10);
} else {
continue;
}
c += d;
i += 2;
}
pe += c;
}
return String::utf8(pe.ptr());
}
String String::property_name_encode() const {
// Escape and quote strings with extended ASCII or further Unicode characters
// as well as '"', '=' or ' ' (32)

7
core/string/ustring.h
View file

@ -409,17 +409,14 @@ public:
String xml_escape(bool p_escape_quotes = false) const;
String xml_unescape() const;
String http_escape() const;
String http_unescape() const;
String uri_encode() const;
String uri_decode() const;
String c_escape() const;
String c_escape_multiline() const;
String c_unescape() const;
String json_escape() const;
String word_wrap(int p_chars_per_line) const;
String percent_encode() const;
String percent_decode() const;
String property_name_encode() const;
bool is_valid_identifier() const;

6
core/variant/variant_call.cpp
View file

@ -950,13 +950,11 @@ static void _register_variant_builtin_methods() {
bind_method(String, get_file, sarray(), varray());
bind_method(String, xml_escape, sarray("escape_quotes"), varray(false));
bind_method(String, xml_unescape, sarray(), varray());
bind_method(String, http_escape, sarray(), varray());
bind_method(String, http_unescape, sarray(), varray());
bind_method(String, uri_encode, sarray(), varray());
bind_method(String, uri_decode, sarray(), varray());
bind_method(String, c_escape, sarray(), varray());
bind_method(String, c_unescape, sarray(), varray());
bind_method(String, json_escape, sarray(), varray());
bind_method(String, percent_encode, sarray(), varray());
bind_method(String, percent_decode, sarray(), varray());
bind_method(String, is_valid_identifier, sarray(), varray());
bind_method(String, is_valid_integer, sarray(), varray());

2
doc/classes/HTTPClient.xml
View file

@ -175,7 +175,7 @@
var result = new HTTPClient().Request(HTTPClient.Method.Post, "index.php", headers, queryString);
[/csharp]
[/codeblocks]
[b]Note:[/b] The [code]request_data[/code] parameter is ignored if [code]method[/code] is [constant HTTPClient.METHOD_GET]. This is because GET methods can't contain request data. As a workaround, you can pass request data as a query string in the URL. See [method String.http_escape] for an example.
[b]Note:[/b] The [code]request_data[/code] parameter is ignored if [code]method[/code] is [constant HTTPClient.METHOD_GET]. This is because GET methods can't contain request data. As a workaround, you can pass request data as a query string in the URL. See [method String.uri_encode] for an example.
</description>
</method>
<method name="request_raw">

2
doc/classes/HTTPRequest.xml
View file

@ -203,7 +203,7 @@
<description>
Creates request on the underlying [HTTPClient]. If there is no configuration errors, it tries to connect using [method HTTPClient.connect_to_host] and passes parameters onto [method HTTPClient.request].
Returns [constant OK] if request is successfully created. (Does not imply that the server has responded), [constant ERR_UNCONFIGURED] if not in the tree, [constant ERR_BUSY] if still processing previous request, [constant ERR_INVALID_PARAMETER] if given string is not a valid URL format, or [constant ERR_CANT_CONNECT] if not using thread and the [HTTPClient] cannot connect to host.
[b]Note:[/b] The [code]request_data[/code] parameter is ignored if [code]method[/code] is [constant HTTPClient.METHOD_GET]. This is because GET methods can't contain request data. As a workaround, you can pass request data as a query string in the URL. See [method String.http_escape] for an example.
[b]Note:[/b] The [code]request_data[/code] parameter is ignored if [code]method[/code] is [constant HTTPClient.METHOD_GET]. This is because GET methods can't contain request data. As a workaround, you can pass request data as a query string in the URL. See [method String.uri_encode] for an example.
</description>
</method>
<method name="request_raw">

64
doc/classes/String.xml
View file

@ -244,26 +244,6 @@
[/codeblocks]
</description>
</method>
<method name="http_escape">
<return type="String">
</return>
<description>
Escapes (encodes) a string to URL friendly format. Also referred to as 'URL encode'.
[codeblock]
print("https://example.org/?escaped=" + "Godot Engine:'docs'".http_escape())
[/codeblock]
</description>
</method>
<method name="http_unescape">
<return type="String">
</return>
<description>
Unescapes (decodes) a string in URL encoded format. Also referred to as 'URL decode'.
[codeblock]
print("https://example.org/?escaped=" + "Godot%20Engine%3A%27docs%27".http_unescape())
[/codeblock]
</description>
</method>
<method name="insert">
<return type="String">
</return>
@ -578,20 +558,6 @@
Formats a number to have an exact number of [code]digits[/code] before the decimal point.
</description>
</method>
<method name="percent_decode">
<return type="String">
</return>
<description>
Decode a percent-encoded string. See [method percent_encode].
</description>
</method>
<method name="percent_encode">
<return type="String">
</return>
<description>
Percent-encodes a string. Encodes parameters in a URL when sending a HTTP GET request (and bodies of form-urlencoded POST requests).
</description>
</method>
<method name="plus_file">
<return type="String">
</return>
@ -891,6 +857,36 @@
Returns the character code at position [code]at[/code].
</description>
</method>
<method name="uri_decode">
<return type="String">
</return>
<description>
Decodes a string in URL encoded format. This is meant to decode parameters in a URL when receiving an HTTP request.
[codeblocks]
[gdscript]
print("https://example.org/?escaped=" + "Godot%20Engine%3A%27docs%27".uri_decode())
[/gdscript]
[csharp]
GD.Print("https://example.org/?escaped=" + "Godot%20Engine%3a%27Docs%27".URIDecode());
[/csharp]
[/codeblocks]
</description>
</method>
<method name="uri_encode">
<return type="String">
</return>
<description>
Encodes a string to URL friendly format. This is meant to encode parameters in a URL when sending an HTTP request.
[codeblocks]
[gdscript]
print("https://example.org/?escaped=" + "Godot Engine:'docs'".uri_encode())
[/gdscript]
[csharp]
GD.Print("https://example.org/?escaped=" + "Godot Engine:'docs'".URIEncode());
[/csharp]
[/codeblocks]
</description>
</method>
<method name="xml_escape">
<return type="String">
</return>

2
drivers/unix/dir_access_unix.cpp
View file

@ -232,7 +232,7 @@ static void _get_drives(List<String> *list) {
// Parse only file:// links
if (strncmp(string, "file://", 7) == 0) {
// Strip any unwanted edges on the strings and push_back if it's not a duplicate
String fpath = String(string + 7).strip_edges().split_spaces()[0].percent_decode();
String fpath = String(string + 7).strip_edges().split_spaces()[0].uri_decode();
if (!list->find(fpath)) {
list->push_back(fpath);
}

4
editor/import/collada.cpp
View file

@ -289,7 +289,7 @@ void Collada::_parse_image(XMLParser &parser) {
String path = parser.get_attribute_value("source").strip_edges();
if (path.find("://") == -1 && path.is_rel_path()) {
// path is relative to file being loaded, so convert to a resource path
image.path = ProjectSettings::get_singleton()->localize_path(state.local_path.get_base_dir().plus_file(path.percent_decode()));
image.path = ProjectSettings::get_singleton()->localize_path(state.local_path.get_base_dir().plus_file(path.uri_decode()));
}
} else {
while (parser.read() == OK) {
@ -298,7 +298,7 @@ void Collada::_parse_image(XMLParser &parser) {
if (name == "init_from") {
parser.read();
String path = parser.get_node_data().strip_edges().percent_decode();
String path = parser.get_node_data().strip_edges().uri_decode();
if (path.find("://") == -1 && path.is_rel_path()) {
// path is relative to file being loaded, so convert to a resource path

2
editor/plugins/asset_library_editor_plugin.cpp
View file

@ -900,7 +900,7 @@ void EditorAssetLibrary::_search(int p_page) {
}
if (filter->get_text() != String()) {
args += "&filter=" + filter->get_text().http_escape();
args += "&filter=" + filter->get_text().uri_encode();
}
if (p_page > 0) {

2
modules/gdscript/language_server/gdscript_workspace.cpp
View file

@ -350,7 +350,7 @@ Error GDScriptWorkspace::parse_local_script(const String &p_path) {
String GDScriptWorkspace::get_file_path(const String &p_uri) const {
String path = p_uri;
path = path.replace(root_uri + "/", "res://");
path = path.http_unescape();
path = path.uri_decode();
return path;
}

45
modules/mono/glue/GodotSharp/GodotSharp/Core/StringExtensions.cs
View file

@ -479,7 +479,7 @@ namespace Godot
/// <summary>
/// Returns a hexadecimal representation of this byte as a string.
/// </summary>
/// <param name="bytes">The byte to encode.</param>
/// <param name="b">The byte to encode.</param>
/// <returns>The hexadecimal representation of this byte.</returns>
internal static string HexEncode(this byte b)
{
@ -932,22 +932,6 @@ namespace Godot
return s;
}
// <summary>
// Decode a percent-encoded string. See [method percent_encode].
// </summary>
public static string PercentDecode(this string instance)
{
return Uri.UnescapeDataString(instance);
}
// <summary>
// Percent-encode a string. This is meant to encode parameters in a URL when sending a HTTP GET request and bodies of form-urlencoded POST request.
// </summary>
public static string PercentEncode(this string instance)
{
return Uri.EscapeDataString(instance);
}
// <summary>
// If the string is a path, this concatenates [code]file[/code] at the end of the string as a subpath. E.g. [code]"this/is".plus_file("path") == "this/is/path"[/code].
// </summary>
@ -1210,6 +1194,33 @@ namespace Godot
return Encoding.UTF8.GetBytes(instance);
}
/// <summary>
/// Decodes a string in URL encoded format. This is meant to
/// decode parameters in a URL when receiving an HTTP request.
/// This mostly wraps around `System.Uri.UnescapeDataString()`,
/// but also handles `+`.
/// See <see cref="URIEncode"/> for encoding.
/// </summary>
/// <param name="instance">The string to decode.</param>
/// <returns>The unescaped string.</returns>
public static string URIDecode(this string instance)
{
return Uri.UnescapeDataString(instance.Replace("+", "%20"));
}
/// <summary>
/// Encodes a string to URL friendly format. This is meant to
/// encode parameters in a URL when sending an HTTP request.
/// This wraps around `System.Uri.EscapeDataString()`.
/// See <see cref="URIDecode"/> for decoding.
/// </summary>
/// <param name="instance">The string to encode.</param>
/// <returns>The escaped string.</returns>
public static string URIEncode(this string instance)
{
return Uri.EscapeDataString(instance);
}
// <summary>
// Return a copy of the string with special characters escaped using the XML standard.
// </summary>

2
platform/linuxbsd/display_server_x11.cpp
View file

@ -3360,7 +3360,7 @@ void DisplayServerX11::process_events() {
Vector<String> files = String((char *)p.data).split("\n", false);
for (int i = 0; i < files.size(); i++) {
files.write[i] = files[i].replace("file://", "").http_unescape().strip_edges();
files.write[i] = files[i].replace("file://", "").uri_decode().strip_edges();
}
if (!windows[window_id].drop_files_callback.is_null()) {

2
platform/linuxbsd/os_linuxbsd.cpp
View file

@ -410,7 +410,7 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) {
OS::Time time = OS::get_singleton()->get_time(false);
String timestamp = vformat("%04d-%02d-%02dT%02d:%02d:", date.year, date.month, date.day, time.hour, time.min);
timestamp = vformat("%s%02d", timestamp, time.sec); // vformat only supports up to 6 arguments.
String trash_info = "[Trash Info]\nPath=" + p_path.http_escape() + "\nDeletionDate=" + timestamp + "\n";
String trash_info = "[Trash Info]\nPath=" + p_path.uri_encode() + "\nDeletionDate=" + timestamp + "\n";
{
Error err;
FileAccess *file = FileAccess::open(trash_path + "/info/" + file_name + ".trashinfo", FileAccess::WRITE, &err);

14
tests/test_string.h
View file

@ -1152,20 +1152,12 @@ TEST_CASE("[String] hash") {
CHECK(a.hash64() != c.hash64());
}
TEST_CASE("[String] http_escape/unescape") {
TEST_CASE("[String] uri_encode/unescape") {
String s = "Godot Engine:'docs'";
String t = "Godot%20Engine%3A%27docs%27";
CHECK(s.http_escape() == t);
CHECK(t.http_unescape() == s);
}
TEST_CASE("[String] percent_encode/decode") { // Note: is it redundant? Seems to be same as http_escape/unescape but in lower case.
String s = "Godot Engine:'docs'";
String t = "Godot%20Engine%3a%27docs%27";
CHECK(s.percent_encode() == t);
CHECK(t.percent_decode() == s);
CHECK(s.uri_encode() == t);
CHECK(t.uri_decode() == s);
}
TEST_CASE("[String] xml_escape/unescape") {