Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

crates/utils/src/url_params.rs

@@ -0,0 +1,45 @@
+/*
+ * SPDX-FileCopyrightText: 2020 Stalwart Labs LLC <[email protected]>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
+ */
+
+use std::{borrow::Cow, collections::HashMap};
+
+#[derive(Default)]
+pub struct UrlParams<'x> {
+    params: HashMap<Cow<'x, str>, Cow<'x, str>>,
+}
+
+impl<'x> UrlParams<'x> {
+    pub fn new(query: Option<&'x str>) -> Self {
+        if let Some(query) = query {
+            Self {
+                params: form_urlencoded::parse(query.as_bytes())
+                    .filter(|(_, value)| !value.is_empty())
+                    .collect(),
+            }
+        } else {
+            Self::default()
+        }
+    }
+
+    pub fn get(&self, key: &str) -> Option<&str> {
+        self.params.get(key).map(|v| v.as_ref())
+    }
+
+    pub fn has_key(&self, key: &str) -> bool {
+        self.params.contains_key(key)
+    }
+
+    pub fn parse<T>(&self, key: &str) -> Option<T>
+    where
+        T: std::str::FromStr,
+    {
+        self.get(key).and_then(|v| v.parse().ok())
+    }
+
+    pub fn into_inner(self) -> HashMap<Cow<'x, str>, Cow<'x, str>> {
+        self.params
+    }
+}