1use std::collections::BTreeMap;
2use std::fmt;
3
4use serde::{Deserialize, Serialize};
5
6use crate::ArtifactKind;
7
8#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
9#[serde(rename_all = "camelCase", deny_unknown_fields)]
10pub struct PrepareArtifactUploadRequest {
11 #[serde(default)]
12 pub lifecycle: crate::ArtifactLifecycle,
13 #[serde(default, skip_serializing_if = "Option::is_none")]
14 pub creation_id: Option<String>,
15 pub kind: ArtifactKind,
16 pub mime_type: String,
17 pub size_bytes: u64,
18 pub sha256: String,
19 #[serde(default, skip_serializing_if = "Option::is_none")]
20 pub duration_millis: Option<u64>,
21}
22
23impl PrepareArtifactUploadRequest {
24 pub fn validate(&self) -> Result<(), PrepareArtifactUploadValidationError> {
25 self.lifecycle
26 .validate_creation_id(self.creation_id.as_deref())
27 .map_err(|_| invalid("invalid artifact creation ID"))?;
28 if self.mime_type.trim() != self.mime_type || self.mime_type.is_empty() {
29 return Err(invalid("artifact upload MIME type is invalid"));
30 }
31 match self.kind {
32 ArtifactKind::Image if !self.mime_type.starts_with("image/") => {
33 return Err(invalid("artifact upload image MIME type is invalid"));
34 }
35 ArtifactKind::Audio if !self.mime_type.starts_with("audio/") => {
36 return Err(invalid("artifact upload audio MIME type is invalid"));
37 }
38 ArtifactKind::Video if !self.mime_type.starts_with("video/") => {
39 return Err(invalid("artifact upload video MIME type is invalid"));
40 }
41 ArtifactKind::File if self.mime_type.starts_with("video/") => {
42 return Err(invalid("video artifacts are not supported"));
43 }
44 _ => {}
45 }
46 if self.size_bytes == 0 {
47 return Err(invalid("artifact upload content is empty"));
48 }
49 if self.sha256.len() != 64
50 || !self
51 .sha256
52 .bytes()
53 .all(|byte| byte.is_ascii_hexdigit() && !byte.is_ascii_uppercase())
54 {
55 return Err(invalid(
56 "artifact upload SHA-256 must be 64 lowercase hexadecimal characters",
57 ));
58 }
59 if !matches!(self.kind, ArtifactKind::Audio | ArtifactKind::Video)
60 && self.duration_millis.is_some()
61 {
62 return Err(invalid(
63 "artifact upload duration is only valid for audio or video",
64 ));
65 }
66 if self.duration_millis == Some(0) {
67 return Err(invalid("artifact upload duration is invalid"));
68 }
69 Ok(())
70 }
71}
72
73#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
74#[serde(rename_all = "camelCase", deny_unknown_fields)]
75pub struct PrepareArtifactUploadResponse {
76 #[serde(default, skip_serializing_if = "Option::is_none")]
77 pub host_identity: Option<crate::HostTlsIdentity>,
78 pub upload_id: String,
79 pub url: String,
80 #[serde(default)]
81 pub headers: BTreeMap<String, String>,
82 pub expires_at_unix_ms: u64,
83}
84
85impl PrepareArtifactUploadResponse {
86 pub fn validate(&self) -> Result<(), PrepareArtifactUploadValidationError> {
87 if self.upload_id.trim() != self.upload_id || self.upload_id.is_empty() {
88 return Err(invalid("artifact upload id is invalid"));
89 }
90 if !(self.url.starts_with("http://") || self.url.starts_with("https://")) {
91 return Err(invalid("artifact upload URL must use HTTP or HTTPS"));
92 }
93 if self.expires_at_unix_ms == 0 {
94 return Err(invalid("artifact upload expiration is invalid"));
95 }
96 Ok(())
97 }
98}
99
100#[derive(Debug, Clone, PartialEq, Eq)]
101pub struct PrepareArtifactUploadValidationError(&'static str);
102
103impl fmt::Display for PrepareArtifactUploadValidationError {
104 fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
105 formatter.write_str(self.0)
106 }
107}
108
109impl std::error::Error for PrepareArtifactUploadValidationError {}
110
111fn invalid(message: &'static str) -> PrepareArtifactUploadValidationError {
112 PrepareArtifactUploadValidationError(message)
113}
114
115#[cfg(test)]
116mod tests {
117 use super::*;
118
119 #[test]
120 fn validates_upload_metadata() {
121 let request = PrepareArtifactUploadRequest {
122 lifecycle: crate::ArtifactLifecycle::Std,
123 creation_id: None,
124 kind: ArtifactKind::Audio,
125 mime_type: "audio/ogg".to_string(),
126 size_bytes: 42,
127 sha256: "a".repeat(64),
128 duration_millis: Some(1_500),
129 };
130 assert!(request.validate().is_ok());
131 }
132
133 #[test]
134 fn rejects_malformed_hashes_and_kind_mismatch() {
135 let mut request = PrepareArtifactUploadRequest {
136 lifecycle: crate::ArtifactLifecycle::Std,
137 creation_id: None,
138 kind: ArtifactKind::Audio,
139 mime_type: "image/png".to_string(),
140 size_bytes: 42,
141 sha256: "A".repeat(64),
142 duration_millis: Some(1_500),
143 };
144 assert!(request.validate().is_err());
145 request.mime_type = "audio/ogg".to_string();
146 assert!(request.validate().is_err());
147 }
148}