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-rw-r--r--src/dav/decoder.rs275
-rw-r--r--src/dav/encoder.rs1
-rw-r--r--src/dav/error.rs1
-rw-r--r--src/dav/types.rs1
-rw-r--r--src/dav/xml.rs10
5 files changed, 256 insertions, 32 deletions
diff --git a/src/dav/decoder.rs b/src/dav/decoder.rs
index 43e5c49..042a608 100644
--- a/src/dav/decoder.rs
+++ b/src/dav/decoder.rs
@@ -11,6 +11,15 @@ use super::types::*;
use super::error::ParsingError;
use super::xml::{QRead, Reader, IRead, DAV_URN, CAL_URN};
+//@TODO (1) Rewrite all objects as Href,
+// where we return Ok(None) instead of trying to find the object at any cost.
+// Add a xml.find<E: Qread>() -> Result<Option<E>, ParsingError> or similar for the cases we
+// really need the object
+// (2) Rewrite QRead and replace Result<Option<_>, _> with Result<_, _>, not found being a possible
+// error.
+// (3) Rewrite vectors with xml.collect<E: QRead>() -> Result<Vec<E>, _>
+// (4) Something for alternatives would be great but no idea yet
+
// ---- ROOT ----
/// Propfind request
@@ -74,11 +83,59 @@ impl<E: Extension> QRead<PropertyUpdate<E>> for PropertyUpdate<E> {
}
}
+/// Generic response
//@TODO Multistatus
-//@TODO LockInfo
+// LOCK REQUEST
+impl QRead<LockInfo> for LockInfo {
+ async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
+ xml.tag_start(DAV_URN, "lockinfo").await?;
+ let (mut m_scope, mut m_type, mut owner) = (None, None, None);
+ loop {
+ if let Some(v) = LockScope::qread(xml).await? {
+ m_scope = Some(v);
+ } else if let Some(v) = LockType::qread(xml).await? {
+ m_type = Some(v);
+ } else if let Some(v) = Owner::qread(xml).await? {
+ owner = Some(v);
+ } else {
+ match xml.peek() {
+ Event::End(_) => break,
+ _ => xml.skip().await?,
+ };
+ }
+ }
+ xml.tag_stop(DAV_URN, "lockinfo").await?;
+ match (m_scope, m_type) {
+ (Some(lockscope), Some(locktype)) => Ok(Some(LockInfo { lockscope, locktype, owner })),
+ _ => Err(ParsingError::MissingChild),
+ }
+ }
+}
+
+// LOCK RESPONSE
+impl<E: Extension> QRead<PropValue<E>> for PropValue<E> {
+ async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
+ xml.tag_start(DAV_URN, "prop").await?;
+ let mut acc = Vec::new();
+ loop {
+ // Found a property
+ if let Some(prop) = Property::qread(xml).await? {
+ acc.push(prop);
+ continue;
+ }
+
+ // Otherwise skip or escape
+ match xml.peek() {
+ Event::End(_) => break,
+ _ => { xml.skip().await?; },
+ }
+ }
+ xml.tag_stop(DAV_URN, "prop").await?;
+ Ok(Some(PropValue(acc)))
+ }
+}
-//@TODO PropValue
/// Error response
impl<E: Extension> QRead<Error<E>> for Error<E> {
@@ -326,29 +383,6 @@ impl<E: Extension> QRead<PropertyRequest<E>> for PropertyRequest<E> {
}
}
-
-impl<E: Extension> QRead<PropValue<E>> for PropValue<E> {
- async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
- xml.tag_start(DAV_URN, "prop").await?;
- let mut acc = Vec::new();
- loop {
- // Found a property
- if let Some(prop) = Property::qread(xml).await? {
- acc.push(prop);
- continue;
- }
-
- // Otherwise skip or escape
- match xml.peek() {
- Event::End(_) => break,
- _ => { xml.skip().await?; },
- }
- }
- xml.tag_stop(DAV_URN, "prop").await?;
- Ok(Some(PropValue(acc)))
- }
-}
-
impl<E: Extension> QRead<Property<E>> for Property<E> {
async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
use chrono::{DateTime, FixedOffset, TimeZone};
@@ -472,7 +506,126 @@ impl<E: Extension> QRead<Property<E>> for Property<E> {
impl QRead<ActiveLock> for ActiveLock {
async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
- unimplemented!();
+ xml.tag_start(DAV_URN, "activelock").await?;
+ let (mut m_scope, mut m_type, mut m_depth, mut owner, mut timeout, mut locktoken, mut m_root) =
+ (None, None, None, None, None, None, None);
+
+ loop {
+ if let Some(v) = LockScope::qread(xml).await? {
+ m_scope = Some(v);
+ } else if let Some(v) = LockType::qread(xml).await? {
+ m_type = Some(v);
+ } else if let Some(v) = Depth::qread(xml).await? {
+ m_depth = Some(v);
+ } else if let Some(v) = Owner::qread(xml).await? {
+ owner = Some(v);
+ } else if let Some(v) = Timeout::qread(xml).await? {
+ timeout = Some(v);
+ } else if let Some(v) = LockToken::qread(xml).await? {
+ locktoken = Some(v);
+ } else if let Some(v) = LockRoot::qread(xml).await? {
+ m_root = Some(v);
+ } else {
+ match xml.peek() {
+ Event::End(_) => break,
+ _ => { xml.skip().await?; },
+ }
+ }
+ }
+
+ xml.tag_stop(DAV_URN, "activelock").await?;
+ match (m_scope, m_type, m_depth, m_root) {
+ (Some(lockscope), Some(locktype), Some(depth), Some(lockroot)) =>
+ Ok(Some(ActiveLock { lockscope, locktype, depth, owner, timeout, locktoken, lockroot })),
+ _ => Err(ParsingError::MissingChild),
+ }
+ }
+}
+
+impl QRead<Depth> for Depth {
+ async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
+ xml.tag_start(DAV_URN, "depth").await?;
+ let depth_str = xml.tag_string().await?;
+ xml.tag_stop(DAV_URN, "depth").await?;
+ match depth_str.as_str() {
+ "0" => Ok(Some(Depth::Zero)),
+ "1" => Ok(Some(Depth::One)),
+ "infinity" => Ok(Some(Depth::Infinity)),
+ _ => Err(ParsingError::WrongToken),
+ }
+ }
+}
+
+impl QRead<Owner> for Owner {
+ async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
+ if xml.maybe_tag_start(DAV_URN, "owner").await?.is_none() {
+ return Ok(None)
+ }
+
+ let mut owner = Owner::Unknown;
+ loop {
+ match xml.peek() {
+ Event::Text(_) | Event::CData(_) => {
+ let txt = xml.tag_string().await?;
+ if matches!(owner, Owner::Unknown) {
+ owner = Owner::Txt(txt);
+ }
+ }
+ Event::Start(_) | Event::Empty(_) => {
+ if let Some(href) = Href::qread(xml).await? {
+ owner = Owner::Href(href)
+ }
+ xml.skip().await?;
+ }
+ Event::End(_) => break,
+ _ => { xml.skip().await?; },
+ }
+ };
+ xml.tag_stop(DAV_URN, "owner").await?;
+ Ok(Some(owner))
+ }
+}
+
+impl QRead<Timeout> for Timeout {
+ async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
+ const SEC_PFX: &str = "SEC_PFX";
+
+ match xml.peek() {
+ Event::Start(b) if xml.is_tag(DAV_URN, "timeout") => xml.next().await?,
+ _ => return Ok(None),
+ };
+
+ let timeout = match xml.tag_string().await?.as_str() {
+ "Infinite" => Timeout::Infinite,
+ seconds => match seconds.strip_prefix(SEC_PFX) {
+ Some(secs) => Timeout::Seconds(secs.parse::<u32>()?),
+ None => return Err(ParsingError::InvalidValue),
+ },
+ };
+
+ xml.tag_stop(DAV_URN, "timeout").await?;
+ Ok(Some(timeout))
+ }
+}
+
+impl QRead<LockToken> for LockToken {
+ async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
+ match xml.peek() {
+ Event::Start(b) if xml.is_tag(DAV_URN, "locktoken") => xml.next().await?,
+ _ => return Ok(None),
+ };
+ let href = Href::qread(xml).await?.ok_or(ParsingError::MissingChild)?;
+ xml.tag_stop(DAV_URN, "locktoken").await?;
+ Ok(Some(LockToken(href)))
+ }
+}
+
+impl QRead<LockRoot> for LockRoot {
+ async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
+ xml.tag_start(DAV_URN, "lockroot").await?;
+ let href = Href::qread(xml).await?.ok_or(ParsingError::MissingChild)?;
+ xml.tag_stop(DAV_URN, "lockroot").await?;
+ Ok(Some(LockRoot(href)))
}
}
@@ -495,10 +648,10 @@ impl QRead<LockEntry> for LockEntry {
loop {
match xml.peek() {
- Event::Start(b) if xml.is_tag(DAV_URN, "lockscope") => {
+ Event::Start(_) if xml.is_tag(DAV_URN, "lockscope") => {
maybe_scope = LockScope::qread(xml).await?;
},
- Event::Start(b) if xml.is_tag(DAV_URN, "lockentry") => {
+ Event::Start(_) if xml.is_tag(DAV_URN, "lockentry") => {
maybe_type = LockType::qread(xml).await?;
}
Event::End(_) => break,
@@ -518,14 +671,18 @@ impl QRead<LockEntry> for LockEntry {
impl QRead<LockScope> for LockScope {
async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
- xml.tag_start(DAV_URN, "lockscope").await?;
+ if xml.maybe_tag_start(DAV_URN, "lockscope").await?.is_none() {
+ return Ok(None)
+ }
+
let lockscope = loop {
+ println!("lockscope tag: {:?}", xml.peek());
match xml.peek() {
- Event::Empty(b) if xml.is_tag(DAV_URN, "exclusive") => {
+ Event::Empty(_) if xml.is_tag(DAV_URN, "exclusive") => {
xml.next().await?;
break LockScope::Exclusive
},
- Event::Empty(b) if xml.is_tag(DAV_URN, "shared") => {
+ Event::Empty(_) if xml.is_tag(DAV_URN, "shared") => {
xml.next().await?;
break LockScope::Shared
}
@@ -540,7 +697,10 @@ impl QRead<LockScope> for LockScope {
impl QRead<LockType> for LockType {
async fn qread(xml: &mut Reader<impl IRead>) -> Result<Option<Self>, ParsingError> {
- xml.tag_start(DAV_URN, "locktype").await?;
+ if xml.maybe_tag_start(DAV_URN, "locktype").await?.is_none() {
+ return Ok(None)
+ }
+
let locktype = loop {
match xml.peek() {
Event::Empty(b) if xml.is_tag(DAV_URN, "write") => {
@@ -639,4 +799,55 @@ mod tests {
])
]));
}
+
+
+ #[tokio::test]
+ async fn rfc_propertyupdate() {
+ let src = r#"<?xml version="1.0" encoding="utf-8" ?>
+ <D:propertyupdate xmlns:D="DAV:"
+ xmlns:Z="http://ns.example.com/standards/z39.50/">
+ <D:set>
+ <D:prop>
+ <Z:Authors>
+ <Z:Author>Jim Whitehead</Z:Author>
+ <Z:Author>Roy Fielding</Z:Author>
+ </Z:Authors>
+ </D:prop>
+ </D:set>
+ <D:remove>
+ <D:prop><Z:Copyright-Owner/></D:prop>
+ </D:remove>
+ </D:propertyupdate>"#;
+
+ let mut rdr = Reader::new(NsReader::from_reader(src.as_bytes())).await.unwrap();
+ let got = PropertyUpdate::<Core>::qread(&mut rdr).await.unwrap().unwrap();
+
+ assert_eq!(got, PropertyUpdate(vec![
+ PropertyUpdateItem::Set(Set(PropValue(vec![]))),
+ PropertyUpdateItem::Remove(Remove(PropName(vec![]))),
+ ]));
+ }
+
+ #[tokio::test]
+ async fn rfc_lockinfo1() {
+ let src = r#"
+<?xml version="1.0" encoding="utf-8" ?>
+<D:lockinfo xmlns:D='DAV:'>
+ <D:lockscope><D:exclusive/></D:lockscope>
+ <D:locktype><D:write/></D:locktype>
+ <D:owner>
+ <D:href>http://example.org/~ejw/contact.html</D:href>
+ </D:owner>
+</D:lockinfo>
+"#;
+
+ let mut rdr = Reader::new(NsReader::from_reader(src.as_bytes())).await.unwrap();
+ let got = LockInfo::qread(&mut rdr).await.unwrap().unwrap();
+ assert_eq!(got, LockInfo {
+ lockscope: LockScope::Exclusive,
+ locktype: LockType::Write,
+ owner: Some(Owner::Href(Href("http://example.org/~ejw/contact.html".into()))),
+ });
+ }
+
}
diff --git a/src/dav/encoder.rs b/src/dav/encoder.rs
index f3a1860..ec937c6 100644
--- a/src/dav/encoder.rs
+++ b/src/dav/encoder.rs
@@ -527,6 +527,7 @@ impl QWrite for Owner {
match self {
Self::Txt(txt) => xml.q.write_event_async(Event::Text(BytesText::new(&txt))).await?,
Self::Href(href) => href.qwrite(xml).await?,
+ Self::Unknown => (),
}
xml.q.write_event_async(Event::End(end)).await
}
diff --git a/src/dav/error.rs b/src/dav/error.rs
index 8cb60ba..88a5e60 100644
--- a/src/dav/error.rs
+++ b/src/dav/error.rs
@@ -6,6 +6,7 @@ pub enum ParsingError {
NamespacePrefixAlreadyUsed,
WrongToken,
TagNotFound,
+ InvalidValue,
Utf8Error(std::str::Utf8Error),
QuickXml(quick_xml::Error),
Chrono(chrono::format::ParseError),
diff --git a/src/dav/types.rs b/src/dav/types.rs
index f2eae3a..08c0bc6 100644
--- a/src/dav/types.rs
+++ b/src/dav/types.rs
@@ -366,6 +366,7 @@ pub struct Multistatus<E: Extension> {
pub enum Owner {
Txt(String),
Href(Href),
+ Unknown,
}
/// 14.18. prop XML Element
diff --git a/src/dav/xml.rs b/src/dav/xml.rs
index bf02721..ff121f4 100644
--- a/src/dav/xml.rs
+++ b/src/dav/xml.rs
@@ -106,6 +106,16 @@ impl<T: IRead> Reader<T> {
}
}
+ /// maybe find start tag
+ pub async fn maybe_tag_start(&mut self, ns: &[u8], key: &str) -> Result<Option<Event<'static>>, ParsingError> {
+ println!("maybe start tag {}", key);
+ let peek = self.peek();
+ match peek {
+ Event::Start(_) | Event::Empty(_) if self.is_tag(ns, key) => Ok(Some(self.next().await?)),
+ _ => Ok(None),
+ }
+ }
+
/// find start tag
pub async fn tag_start(&mut self, ns: &[u8], key: &str) -> Result<Event<'static>, ParsingError> {
println!("search start tag {}", key);