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/*
* Hurl (https://hurl.dev)
* Copyright (C) 2026 Orange
*
* Licensed 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 std::ffi::OsStr;
use std::path::Path;
use hurl_core::ast::{FilenameParam, FilenameValue, KeyValue, MultipartParam};
use crate::http;
use crate::util::path::ContextDir;
use super::body::eval_file;
use super::error::RunnerError;
use super::template::eval_template;
use super::variable::VariableSet;
/// Evaluates a multipart param AST to a runtime multipart param, given a set of `variables` and
/// a [`ContextDir`] instance.
///
/// ```hurl
/// POST https://example.org/upload
/// [Multipart]
/// field1: value1
/// field2: file,example.txt;
/// field3: file,example.zip; application/zip
/// ```
pub fn eval_multipart_param(
multipart_param: &MultipartParam,
variables: &VariableSet,
context_dir: &ContextDir,
) -> Result<http::MultipartParam, RunnerError> {
match multipart_param {
MultipartParam::Param(KeyValue { key, value, .. }) => {
let name = eval_template(key, variables)?;
let value = eval_template(value, variables)?;
Ok(http::MultipartParam::Param(http::Param { name, value }))
}
MultipartParam::FilenameParam(param) => {
let file_param = eval_file_param(param, context_dir, variables)?;
Ok(http::MultipartParam::FileParam(file_param))
}
}
}
fn eval_file_param(
filename_param: &FilenameParam,
context_dir: &ContextDir,
variables: &VariableSet,
) -> Result<http::FileParam, RunnerError> {
let name = eval_template(&filename_param.key, variables)?;
let filename = eval_template(&filename_param.value.filename, variables)?;
let data = eval_file(&filename_param.value.filename, variables, context_dir)?;
let content_type = eval_content_type(&filename_param.value, variables)?;
Ok(http::FileParam {
name,
filename,
data,
content_type,
})
}
/// Returns the evaluated content type for this file param value, given a set of `variables`.
fn eval_content_type(
file_value: &FilenameValue,
variables: &VariableSet,
) -> Result<String, RunnerError> {
let value = match &file_value.content_type {
Some(content_type) => eval_template(content_type, variables)?,
None => {
let value = eval_template(&file_value.filename, variables)?;
match Path::new(value.as_str())
.extension()
.and_then(OsStr::to_str)
{
Some("gif") => "image/gif".to_string(),
Some("jpg") => "image/jpeg".to_string(),
Some("jpeg") => "image/jpeg".to_string(),
Some("png") => "image/png".to_string(),
Some("svg") => "image/svg+xml".to_string(),
Some("txt") => "text/plain".to_string(),
Some("htm") => "text/html".to_string(),
Some("html") => "text/html".to_string(),
Some("pdf") => "application/pdf".to_string(),
Some("xml") => "application/xml".to_string(),
_ => "application/octet-stream".to_string(),
}
}
};
Ok(value)
}
#[cfg(test)]
mod tests {
use super::*;
use crate::runner::Value;
use hurl_core::ast::{
Expr, ExprKind, LineTerminator, Placeholder, SourceInfo, Template, TemplateElement,
Variable, Whitespace,
};
use hurl_core::reader::Pos;
use hurl_core::types::ToSource;
fn whitespace() -> Whitespace {
Whitespace {
value: String::from(" "),
source_info: SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
}
}
#[test]
fn test_eval_file_param() {
// upload1: hello.txt;
let line_terminator = LineTerminator {
space0: whitespace(),
comment: None,
newline: whitespace(),
};
let current_dir = Path::new("/home");
let file_root = Path::new("tests");
let context_dir = ContextDir::new(current_dir, file_root);
let variables = VariableSet::default();
let param = eval_file_param(
&FilenameParam {
line_terminators: vec![],
space0: whitespace(),
key: Template::new(
None,
vec![TemplateElement::String {
value: "upload1".to_string(),
source: "upload1".to_source(),
}],
SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
),
space1: whitespace(),
space2: whitespace(),
value: FilenameValue {
space0: whitespace(),
filename: Template::new(
None,
vec![TemplateElement::String {
value: "hello.txt".to_string(),
source: "hello.txt".to_source(),
}],
SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
),
space1: whitespace(),
space2: whitespace(),
content_type: None,
},
line_terminator0: line_terminator,
},
&context_dir,
&variables,
)
.unwrap();
assert_eq!(
param,
http::FileParam {
name: "upload1".to_string(),
filename: "hello.txt".to_string(),
data: b"Hello World!".to_vec(),
content_type: "text/plain".to_string(),
}
);
}
#[test]
fn test_file_value_content_type() {
let mut variables = VariableSet::default();
variables.insert(
"ct".to_string(),
Value::String("application/json".to_string()),
);
// ```hurl
// foo: hello.txt;
// ```
assert_eq!(
eval_content_type(
&FilenameValue {
space0: whitespace(),
filename: Template::new(
None,
vec![TemplateElement::String {
value: "hello.txt".to_string(),
source: "hello.txt".to_source()
}],
SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0))
),
space1: whitespace(),
space2: whitespace(),
content_type: None,
},
&variables
)
.unwrap(),
"text/plain".to_string()
);
// ```hurl
// bar: hello.html;
// ```
assert_eq!(
eval_content_type(
&FilenameValue {
space0: whitespace(),
filename: Template::new(
None,
vec![TemplateElement::String {
value: "hello.html".to_string(),
source: "hello.html".to_source()
}],
SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
),
space1: whitespace(),
space2: whitespace(),
content_type: None,
},
&variables
)
.unwrap(),
"text/html".to_string()
);
// ```hurl
// bar: hello.txt; text/html
// ```
assert_eq!(
eval_content_type(
&FilenameValue {
space0: whitespace(),
filename: Template::new(
None,
vec![TemplateElement::String {
value: "hello.txt".to_string(),
source: "hello.txt".to_source()
}],
SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
),
space1: whitespace(),
space2: whitespace(),
content_type: Some(Template::new(
None,
vec![TemplateElement::String {
value: "text/html".to_string(),
source: "text/html".to_source()
}],
SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
))
},
&variables
)
.unwrap(),
"text/html".to_string()
);
// ```hurl
// baz: hello;
// ```
assert_eq!(
eval_content_type(
&FilenameValue {
space0: whitespace(),
filename: Template::new(
None,
vec![TemplateElement::String {
value: "hello".to_string(),
source: "hello".to_source()
}],
SourceInfo::new(Pos::new(0, 0), Pos::new(0, 0)),
),
space1: whitespace(),
space2: whitespace(),
content_type: None,
},
&variables
)
.unwrap(),
"application/octet-stream".to_string()
);
// ```hurl
// quz: hello.txt; {{ct}}
// ```
assert_eq!(
eval_content_type(
&FilenameValue {
space0: whitespace(),
filename: Template::new(
None,
vec![TemplateElement::String {
value: "hello.txt".to_string(),
source: "hello.txt".to_source()
}],
SourceInfo::new(Pos::new(1, 1), Pos::new(1, 9)),
),
space1: whitespace(),
space2: whitespace(),
content_type: Some(Template::new(
None,
vec![TemplateElement::Placeholder(Placeholder {
space0: Whitespace {
value: String::new(),
source_info: SourceInfo::new(Pos::new(1, 9), Pos::new(1, 9)),
},
expr: Expr {
kind: ExprKind::Variable(Variable {
name: "ct".to_string(),
source_info: SourceInfo::new(Pos::new(1, 11), Pos::new(1, 13)),
}),
source_info: SourceInfo::new(Pos::new(1, 9), Pos::new(1, 15)),
},
space1: Whitespace {
value: String::new(),
source_info: SourceInfo::new(Pos::new(1, 15), Pos::new(1, 15)),
},
})],
SourceInfo::new(Pos::new(1, 9), Pos::new(1, 15)),
))
},
&variables
)
.unwrap(),
"application/json".to_string()
);
}
}