blob: 118609a35f42be5fd91045b0f7915a1b5eaf5f83 [file]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
use crate::attachment::AttachmentRef;
use serde::{Deserialize, Serialize};
mod references;
mod selections;
mod sources;
pub use references::{
CaptureTime, DirectoryReference, InlineReference, InlineReferenceKind, QuoteRef,
SessionQuoteSource,
};
pub use selections::{Selections, validate_selections};
pub use sources::{
SelectionSource, SelectionSources, has_unbound_selections, validate_selection_session,
validate_selection_sources,
};
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
#[serde(tag = "kind", rename_all = "snake_case")]
pub enum InvocationInput {
Handoff {
claim: Box<crate::continuation::ContinuationClaim>,
pause: Box<crate::handoff::HandoffPause>,
},
Continuation {
claim: Box<crate::continuation::ContinuationClaim>,
request_fingerprint: String,
},
ContextCompact {
request_fingerprint: String,
},
Message {
content: MessageInput,
request_fingerprint: Option<String>,
#[serde(default, skip_serializing_if = "Vec::is_empty")]
source_messages: Vec<crate::message::RootSourceMessage>,
},
Code {
source: String,
},
}
impl InvocationInput {
pub fn request_fingerprint(&self) -> Option<&str> {
match self {
Self::Message {
request_fingerprint,
..
} => request_fingerprint.as_deref(),
Self::Continuation {
request_fingerprint,
..
}
| Self::ContextCompact {
request_fingerprint,
} => Some(request_fingerprint),
Self::Handoff { .. } | Self::Code { .. } => None,
}
}
pub fn inherited_claim(&self) -> Option<&crate::continuation::ContinuationClaim> {
match self {
Self::Continuation { claim, .. } | Self::Handoff { claim, .. } => Some(claim),
_ => None,
}
}
pub fn validate_inheritance(
&self,
target: &crate::event::Invocation,
) -> Result<(), &'static str> {
match self {
Self::Continuation { claim, .. } => claim.validate(target),
Self::Handoff { claim, pause } => pause.validate_claim(claim, target),
_ => Ok(()),
}
}
}
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub struct MessageInput {
/// Host-stamped provenance of immutable plugin-prepared input.
#[serde(default, skip_serializing_if = "Vec::is_empty")]
pub preparation: Vec<InputReceipt>,
pub text: String,
pub display_text: Option<String>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub attachments: Option<Vec<AttachmentRef>>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub quotes: Option<Vec<QuoteRef>>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub directory_references: Option<Vec<DirectoryReference>>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub inline_references: Option<Vec<InlineReference>>,
}
impl MessageInput {
/// Opaque Rust-host admission identity; never derived from a UI projection.
pub fn content_digest(&self) -> Result<String, serde_json::Error> {
use sha2::{Digest, Sha256};
Ok(format!(
"sha256:{}",
hex::encode(Sha256::digest(serde_json::to_vec(self)?))
))
}
/// All retained text, including reference metadata; used before projection clones.
pub fn text_bytes(&self) -> usize {
let bytes = std::iter::once(self.text.as_str())
.chain(self.display_text.as_deref())
.chain(self.quotes.iter().flatten().flat_map(|quote| {
std::iter::once(quote.text.as_str())
.chain(quote.label.as_deref())
.chain(quote.source_turn_id.as_deref())
.chain(quote.source.iter().flat_map(|source| {
[source.session_id.as_str(), source.session_name.as_str()]
}))
}))
.chain(
self.directory_references
.iter()
.flatten()
.flat_map(|reference| [reference.host_id.as_str(), reference.path.as_str()]),
)
.chain(
self.inline_references
.iter()
.flatten()
.flat_map(|reference| [reference.value.as_str(), reference.label.as_str()]),
)
.fold(0usize, |bytes, text| bytes.saturating_add(text.len()));
self.attachments
.iter()
.flatten()
.fold(bytes, |bytes, attachment| {
bytes.saturating_add(attachment.text_bytes())
})
}
}
/// Immutable client identity and prepared content delivered by a root or steering fact.
/// Its submitted digest identifies client content before Host preparation.
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub struct DeliveredMessage {
pub message_id: String,
pub content: MessageInput,
pub submitted_content_digest: String,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub origin: Option<crate::message::MessageOrigin>,
}
impl DeliveredMessage {
pub fn validate(&self) -> Result<(), &'static str> {
validate_receipts(&self.content.preparation)?;
crate::interaction::entity_id(&self.message_id)?;
if let Some(origin) = &self.origin {
origin.validate()?;
}
if !crate::archive::valid_projection_digest(&self.submitted_content_digest) {
return Err("invalid submitted message digest");
}
Ok(())
}
}
impl From<String> for MessageInput {
fn from(text: String) -> Self {
Self {
preparation: Vec::new(),
text,
display_text: None,
attachments: None,
quotes: None,
directory_references: None,
inline_references: None,
}
}
}
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct InputReceipt {
pub source: crate::composition::SourceRevision,
pub receipt: serde_json::Value,
}
pub fn validate_receipts(receipts: &[InputReceipt]) -> Result<(), &'static str> {
for receipt in receipts {
let source = &receipt.source;
if source.kind != crate::composition::SourceKind::Input
|| [
&source.name,
&source.package_id,
&source.entry_id,
&source.activation,
&source.revision,
]
.into_iter()
.any(|value| value.is_empty() || value.chars().any(char::is_control))
{
return Err("invalid input preparation source");
}
}
Ok(())
}
impl From<&str> for MessageInput {
fn from(text: &str) -> Self {
text.to_owned().into()
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::composition::{SourceKind, SourceRevision};
#[test]
fn input_receipts_accept_complete_payloads_and_validate_source_kind() {
let mut receipts: Vec<_> = (0..4096)
.map(|index| InputReceipt {
source: SourceRevision {
kind: SourceKind::Input,
name: format!("provider-{}", index % 64),
package_id: "example".into(),
entry_id: "entry".into(),
activation: "activation".into(),
revision: format!("revision-{index}"),
},
receipt: serde_json::json!({"message": index / 64}),
})
.collect();
validate_receipts(&receipts).unwrap();
receipts[0].source.kind = SourceKind::Tool;
assert_eq!(
validate_receipts(&receipts),
Err("invalid input preparation source")
);
receipts[0].source.kind = SourceKind::Input;
receipts[0].receipt = serde_json::json!("x".repeat(1024 * 1024));
validate_receipts(&receipts).unwrap();
}
}