Fix MS Exchange EWS: add support for version negotiation and other enhancements (closes #6)

This commit is contained in:
Maurus Decimus
2026-06-10 15:27:39 +02:00
parent 295038d8c0
commit f7371cc2ae
4 changed files with 170 additions and 53 deletions
+126 -45
View File
@@ -27,7 +27,8 @@ pub fn to_jscalendar_rule(raw: &RawRecurrence) -> Option<Value> {
}
let days: Vec<Value> = days_of_week
.iter()
.filter_map(|d| day_token(d).map(|t| json!({"day": t})))
.filter_map(|d| expand_day(d))
.flat_map(|slice| slice.iter().map(|t| json!({"day": t})))
.collect();
if !days.is_empty() {
rule.insert("byDay".to_owned(), Value::Array(days));
@@ -55,23 +56,7 @@ pub fn to_jscalendar_rule(raw: &RawRecurrence) -> Option<Value> {
if *interval > 1 {
rule.insert("interval".to_owned(), Value::from(*interval));
}
let nth = nth_of_period(day_of_week_index);
let days: Vec<Value> = days_of_week
.iter()
.filter_map(|d| {
day_token(d).map(|t| {
let mut o = Map::new();
o.insert("day".to_owned(), Value::String(t.to_owned()));
if let Some(n) = nth {
o.insert("nthOfPeriod".to_owned(), Value::from(n));
}
Value::Object(o)
})
})
.collect();
if !days.is_empty() {
rule.insert("byDay".to_owned(), Value::Array(days));
}
insert_relative_by_day(&mut rule, days_of_week, day_of_week_index);
}
RecurrencePattern::AbsoluteYearly {
month,
@@ -101,23 +86,7 @@ pub fn to_jscalendar_rule(raw: &RawRecurrence) -> Option<Value> {
Value::Array(vec![Value::String(n.to_string())]),
);
}
let nth = nth_of_period(day_of_week_index);
let days: Vec<Value> = days_of_week
.iter()
.filter_map(|d| {
day_token(d).map(|t| {
let mut o = Map::new();
o.insert("day".to_owned(), Value::String(t.to_owned()));
if let Some(n) = nth {
o.insert("nthOfPeriod".to_owned(), Value::from(n));
}
Value::Object(o)
})
})
.collect();
if !days.is_empty() {
rule.insert("byDay".to_owned(), Value::Array(days));
}
insert_relative_by_day(&mut rule, days_of_week, day_of_week_index);
}
}
match raw.range.as_ref() {
@@ -140,16 +109,60 @@ pub fn to_jscalendar_rule(raw: &RawRecurrence) -> Option<Value> {
Some(Value::Object(rule))
}
fn day_token(d: &str) -> Option<&'static str> {
match d.to_ascii_lowercase().as_str() {
"monday" | "mo" => Some("mo"),
"tuesday" | "tu" => Some("tu"),
"wednesday" | "we" => Some("we"),
"thursday" | "th" => Some("th"),
"friday" | "fr" => Some("fr"),
"saturday" | "sa" => Some("sa"),
"sunday" | "su" => Some("su"),
_ => None,
fn expand_day(d: &str) -> Option<&'static [&'static str]> {
Some(match d.to_ascii_lowercase().as_str() {
"monday" | "mo" => &["mo"],
"tuesday" | "tu" => &["tu"],
"wednesday" | "we" => &["we"],
"thursday" | "th" => &["th"],
"friday" | "fr" => &["fr"],
"saturday" | "sa" => &["sa"],
"sunday" | "su" => &["su"],
"day" => &["mo", "tu", "we", "th", "fr", "sa", "su"],
"weekday" => &["mo", "tu", "we", "th", "fr"],
"weekendday" => &["sa", "su"],
_ => return None,
})
}
fn insert_relative_by_day(rule: &mut Map<String, Value>, days_of_week: &[String], index: &str) {
let nth = nth_of_period(index);
let mut days: Vec<&'static str> = Vec::new();
let mut is_set = false;
for d in days_of_week {
if let Some(slice) = expand_day(d) {
if slice.len() > 1 {
is_set = true;
}
for &t in slice {
if !days.contains(&t) {
days.push(t);
}
}
}
}
if days.is_empty() {
return;
}
if is_set {
let by_day: Vec<Value> = days.iter().map(|t| json!({"day": t})).collect();
rule.insert("byDay".to_owned(), Value::Array(by_day));
if let Some(n) = nth {
rule.insert("bySetPosition".to_owned(), json!([n]));
}
} else {
let by_day: Vec<Value> = days
.iter()
.map(|t| {
let mut o = Map::new();
o.insert("day".to_owned(), Value::String((*t).to_owned()));
if let Some(n) = nth {
o.insert("nthOfPeriod".to_owned(), Value::from(n));
}
Value::Object(o)
})
.collect();
rule.insert("byDay".to_owned(), Value::Array(by_day));
}
}
@@ -286,6 +299,74 @@ mod tests {
assert!(rule.get("count").is_none());
}
#[test]
fn relative_monthly_first_weekday_expands_with_set_position() {
let raw = RawRecurrence {
pattern: Some(RecurrencePattern::RelativeMonthly {
interval: 1,
day_of_week_index: "First".to_owned(),
days_of_week: vec!["Weekday".to_owned()],
}),
range: Some(RecurrenceRange::NoEnd {
start_date: "2025-01-01".to_owned(),
}),
};
let rule = to_jscalendar_rule(&raw).unwrap();
let by_day = rule["byDay"].as_array().unwrap();
let days: Vec<&str> = by_day.iter().map(|d| d["day"].as_str().unwrap()).collect();
assert_eq!(days, ["mo", "tu", "we", "th", "fr"]);
assert!(
by_day.iter().all(|d| d.get("nthOfPeriod").is_none()),
"set-based byDay must not carry per-day nthOfPeriod"
);
assert_eq!(rule["bySetPosition"], json!([1]));
}
#[test]
fn relative_monthly_last_weekendday_uses_negative_set_position() {
let raw = RawRecurrence {
pattern: Some(RecurrencePattern::RelativeMonthly {
interval: 1,
day_of_week_index: "Last".to_owned(),
days_of_week: vec!["WeekendDay".to_owned()],
}),
range: Some(RecurrenceRange::NoEnd {
start_date: "2025-01-01".to_owned(),
}),
};
let rule = to_jscalendar_rule(&raw).unwrap();
let days: Vec<&str> = rule["byDay"]
.as_array()
.unwrap()
.iter()
.map(|d| d["day"].as_str().unwrap())
.collect();
assert_eq!(days, ["sa", "su"]);
assert_eq!(rule["bySetPosition"], json!([-1]));
}
#[test]
fn weekly_every_weekday_expands() {
let raw = RawRecurrence {
pattern: Some(RecurrencePattern::Weekly {
interval: 1,
days_of_week: vec!["Weekday".to_owned()],
}),
range: Some(RecurrenceRange::NoEnd {
start_date: "2025-01-06".to_owned(),
}),
};
let rule = to_jscalendar_rule(&raw).unwrap();
let days: Vec<&str> = rule["byDay"]
.as_array()
.unwrap()
.iter()
.map(|d| d["day"].as_str().unwrap())
.collect();
assert_eq!(days, ["mo", "tu", "we", "th", "fr"]);
assert!(rule.get("bySetPosition").is_none());
}
#[test]
fn weekly_two_days() {
let raw = RawRecurrence {
+41 -6
View File
@@ -99,7 +99,12 @@ pub fn find_item_body(
out
}
pub fn sync_folder_items_body(folder: &FolderId, sync_state: &str, max_changes: u32) -> String {
pub fn sync_folder_items_body(
folder: &FolderId,
sync_state: &str,
max_changes: u32,
version: ServerVersion,
) -> String {
let mut out = String::with_capacity(512);
out.push_str("<m:SyncFolderItems><m:ItemShape>");
out.push_str("<t:BaseShape>IdOnly</t:BaseShape>");
@@ -112,7 +117,9 @@ pub fn sync_folder_items_body(folder: &FolderId, sync_state: &str, max_changes:
out.push_str("<m:MaxChangesReturned>");
out.push_str(&max_changes.to_string());
out.push_str("</m:MaxChangesReturned>");
out.push_str("<m:SyncScope>NormalItems</m:SyncScope>");
if version >= ServerVersion::Exchange2010 {
out.push_str("<m:SyncScope>NormalItems</m:SyncScope>");
}
out.push_str("</m:SyncFolderItems>");
out
}
@@ -153,6 +160,10 @@ pub fn get_item_body(shape: ItemShape, ids: &[ItemId], version: ServerVersion) -
out.push_str(f);
out.push_str("\"/>");
}
if version >= ServerVersion::Exchange2010 {
out.push_str("<t:FieldURI FieldURI=\"calendar:StartTimeZone\"/>");
out.push_str("<t:FieldURI FieldURI=\"calendar:EndTimeZone\"/>");
}
out.push_str("</t:AdditionalProperties>");
}
ItemShape::Contact => {
@@ -190,8 +201,6 @@ const CALENDAR_FIELDS: &[&str] = &[
"calendar:Recurrence",
"calendar:ModifiedOccurrences",
"calendar:DeletedOccurrences",
"calendar:StartTimeZone",
"calendar:EndTimeZone",
"calendar:Duration",
"item:Subject",
"item:Body",
@@ -349,17 +358,43 @@ mod tests {
#[test]
fn sync_folder_items_body_carries_state_and_max() {
let folder = FolderId::new("FID", "FCK");
let body = sync_folder_items_body(&folder, "STATE", 512);
let body = sync_folder_items_body(&folder, "STATE", 512, ServerVersion::Exchange2013Sp1);
assert!(body.contains("<m:SyncFolderId><t:FolderId Id=\"FID\" ChangeKey=\"FCK\"/>"));
assert!(body.contains("<m:SyncState>STATE</m:SyncState>"));
assert!(body.contains("<m:MaxChangesReturned>512</m:MaxChangesReturned>"));
assert!(body.contains("<m:SyncScope>NormalItems</m:SyncScope>"));
}
#[test]
fn sync_scope_omitted_below_exchange_2010() {
let folder = FolderId::new("FID", "");
let modern = sync_folder_items_body(&folder, "", 100, ServerVersion::Exchange2010);
assert!(modern.contains("<m:SyncScope>NormalItems</m:SyncScope>"));
let legacy = sync_folder_items_body(&folder, "", 100, ServerVersion::Exchange2007);
assert!(
!legacy.contains("SyncScope"),
"SyncScope is an Exchange 2010 addition"
);
}
#[test]
fn calendar_timezone_fields_gated_on_exchange_2010() {
let modern =
get_item_body(ItemShape::CalendarItem, &[ItemId::new("X", "")], ServerVersion::Exchange2010);
assert!(modern.contains("calendar:StartTimeZone"));
assert!(modern.contains("calendar:EndTimeZone"));
let legacy =
get_item_body(ItemShape::CalendarItem, &[ItemId::new("X", "")], ServerVersion::Exchange2007);
assert!(
!legacy.contains("TimeZone"),
"StartTimeZone/EndTimeZone are Exchange 2010 additions"
);
}
#[test]
fn sync_folder_items_empty_state_round_trips() {
let folder = FolderId::new("FID", "");
let body = sync_folder_items_body(&folder, "", 100);
let body = sync_folder_items_body(&folder, "", 100, ServerVersion::Exchange2013Sp1);
assert!(body.contains("<m:SyncState></m:SyncState>"));
}
+2 -1
View File
@@ -93,9 +93,10 @@ fn try_sync_folder_items(
let mut deletions: Vec<String> = Vec::new();
let mut iters = 0;
let mut batch = ctx.sync_batch.clamp(SYNC_BATCH_MIN, SYNC_BATCH_MAX);
let version = ctx.client.server_version();
loop {
let retries_before = ctx.client.retries_observed();
let body = sync_folder_items_body(folder, &sync_state, batch);
let body = sync_folder_items_body(folder, &sync_state, batch, version);
let resp = match ctx.client.call(ctx.url, "SyncFolderItems", &body) {
Ok(r) => r,
Err(EwsError::SoapFault {