build: Remove explicit libsoup dependency

Replace all uses of libsoup with their GLib equivalents, and remove the
build dependency.

See GNOME/gnome-build-meta#378

meson.build

@@ -95,7 +95,6 @@ libpeas = dependency('libpeas-1.0', version: '>= 1.24.0')
 libpeas_gtk = dependency('libpeas-gtk-1.0', version: '>= 1.24.0')
 libsecret = dependency('libsecret-1', version: '>= 0.11')
 libstemmer_dep = cc.find_library('stemmer')
-libsoup = dependency('libsoup-2.4', version: '>= 2.48')
 libunwind_dep = dependency(
   'libunwind', version: '>= 1.1', required: get_option('libunwind')
 )

src/client/components/components-web-view.vala

@@ -696,7 +696,7 @@ public abstract class Components.WebView : WebKit.WebView, Geary.BaseInterface {
     }
 
     private bool handle_internal_response(WebKit.URISchemeRequest request) {
-        string name = soup_uri_decode(request.get_path());
+        string name = GLib.Uri.unescape_string(request.get_path());
         Geary.Memory.Buffer? buf = this.internal_resources[name];
         bool handled = false;
         if (buf != null) {
@@ -853,6 +853,3 @@ public abstract class Components.WebView : WebKit.WebView, Geary.BaseInterface {
     }
 
 }
-
-// XXX this needs to be moved into the libsoup bindings
-extern string soup_uri_decode(string part);

src/client/composer/composer-link-popover.vala

@@ -52,7 +52,7 @@ public class Composer.LinkPopover : Gtk.Popover {
 
 
     /** Emitted when the link URL has changed. */
-    public signal void link_changed(Soup.URI? uri, bool is_valid);
+    public signal void link_changed(GLib.Uri? uri, bool is_valid);
 
     /** Emitted when the link URL was activated. */
     public signal void link_activate();
@@ -99,9 +99,13 @@ public class Composer.LinkPopover : Gtk.Popover {
         bool is_valid = false;
         bool is_nominal = false;
         bool is_mailto = false;
-        Soup.URI? url = null;
+        GLib.Uri? url = null;
         if (!is_empty) {
-            url = new Soup.URI(text);
+            try {
+                url = GLib.Uri.parse(text, PARSE_RELAXED);
+            } catch (GLib.UriError err) {
+                debug("Invalid link URI: %s", err.message);
+            }
             if (url != null) {
                 is_valid = true;
 

src/client/conversation-viewer/conversation-message.vala

@@ -1335,16 +1335,16 @@ public class ConversationMessage : Gtk.Grid, Geary.BaseInterface {
                                            string href,
                                            Gdk.Rectangle location) {
         string text_href = text;
-        if (Uri.parse_scheme(text_href) == null) {
+        if (GLib.Uri.parse_scheme(text_href) == null) {
             text_href = "http://" + text_href;
         }
-        string text_label = Soup.URI.decode(text_href);
+        string? text_label = GLib.Uri.unescape_string(text_href) ?? _("(unknown)");
 
         string anchor_href = href;
-        if (Uri.parse_scheme(anchor_href) == null) {
+        if (GLib.Uri.parse_scheme(anchor_href) == null) {
             anchor_href = "http://" + anchor_href;
         }
-        string anchor_label = Soup.URI.decode(anchor_href);
+        string anchor_label = GLib.Uri.unescape_string(anchor_href) ?? _("(unknown)");
 
         Gtk.Builder builder = new Gtk.Builder.from_resource(
             "/org/gnome/Geary/conversation-message-link-popover.ui"

src/client/meson.build

@@ -168,7 +168,6 @@ client_dependencies = [
   libpeas,
   libpeas_gtk,
   libsecret,
-  libsoup,
   libxml,
   posix,
   webkit2gtk,

src/client/plugin/meson.build

@@ -16,7 +16,6 @@ plugin_dependencies = [
   libhandy,
   libmath,
   libpeas,
-  libsoup,
   webkit2gtk,
 ]
 

src/client/web-process/web-process-extension.vala

@@ -68,7 +68,12 @@ public class GearyWebExtension : Object {
                                  WebKit.URIRequest request,
                                  WebKit.URIResponse? response) {
         bool should_load = false;
-        Soup.URI? uri = new Soup.URI(request.get_uri());
+        GLib.Uri? uri = null;
+        try {
+            uri = GLib.Uri.parse(request.get_uri(), NONE);
+        } catch (GLib.UriError err) {
+            warning("Invalid request URI: %s", err.message);
+        }
         if (uri != null && uri.get_scheme() in ALLOWED_SCHEMES) {
             // Always load internal resources
             should_load = true;

src/meson.build

@@ -107,7 +107,6 @@ bin_dependencies = [
   libhandy,
   libmath,
   libpeas,
-  libsoup,
   webkit2gtk,
 ]