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// git_clone_url_parsing.rs — URL parsing, validation, cache keys, and repo size for GitCloner
// Included from git_clone.rs — do NOT add `use` imports or `#!` inner attributes here.
impl GitCloner {
#[inline]
pub fn parse_github_url(&self, url: &str) -> Result<ParsedGitHubUrl, CloneError> {
// Support various GitHub URL formats
let url = url.trim();
// HTTPS format: https://github.com/owner/repo or https://github.com/owner/repo.git
if let Some(captures) = GITHUB_HTTPS_REGEX.captures(url) {
let owner = captures[1].to_string();
let mut repo = captures[2].to_string();
// Strip .git suffix if present (but only if it makes the name valid)
if repo.ends_with(".git") && repo.len() > 4 {
let without_git = &repo[..repo.len() - 4];
// Only strip .git if the result is still a valid name
if self.validate_github_name(without_git) {
repo = without_git.to_string();
}
}
// Additional validation
if self.validate_github_name(&owner) && self.validate_github_name(&repo) {
return Ok(ParsedGitHubUrl { owner, repo });
}
}
// SSH format: git@github.com:owner/repo.git
if let Some(captures) = GITHUB_SSH_REGEX.captures(url) {
let owner = captures[1].to_string();
let mut repo = captures[2].to_string();
// Strip .git suffix if present
if repo.ends_with(".git") && repo.len() > 4 {
let without_git = &repo[..repo.len() - 4];
if self.validate_github_name(without_git) {
repo = without_git.to_string();
}
}
// Additional validation
if self.validate_github_name(&owner) && self.validate_github_name(&repo) {
return Ok(ParsedGitHubUrl { owner, repo });
}
}
// Short format: owner/repo
if let Some(captures) = GITHUB_SHORT_REGEX.captures(url) {
let owner = captures[1].to_string();
let repo = captures[2].to_string();
// Additional validation
if self.validate_github_name(&owner) && self.validate_github_name(&repo) {
return Ok(ParsedGitHubUrl { owner, repo });
}
}
Err(CloneError::InvalidUrl(format!("Invalid GitHub URL: {url}")))
}
fn validate_github_name(&self, name: &str) -> bool {
// Reject empty names
if name.is_empty() || name.len() > 100 {
return false;
}
// Reject path traversal attempts
if name == ".." || name == "." {
return false;
}
// Reject names that start or end with dots
if name.starts_with('.') || name.ends_with('.') {
return false;
}
// Reject names containing consecutive dots
if name.contains("..") {
return false;
}
// Reject names with path separators
if name.contains('/') || name.contains('\\') {
return false;
}
// Reject special Git names
let forbidden_names = [".git", ".gitignore", ".gitmodules", ".gitattributes"];
if forbidden_names.contains(&name) {
return false;
}
// Reject URL encoded characters
if name.contains('%') {
return false;
}
// Reject control characters and non-ASCII characters
// GitHub requires ASCII-only names
if !name.chars().all(|c| c.is_ascii() && !c.is_control()) {
return false;
}
// Ensure name matches our regex pattern (alphanumeric start/end)
if name.len() == 1 {
name.chars().all(|c| c.is_ascii_alphanumeric())
} else {
let chars: Vec<char> = name.chars().collect();
chars.first().is_some_and(char::is_ascii_alphanumeric)
&& chars.last().is_some_and(char::is_ascii_alphanumeric)
}
}
#[must_use]
pub fn compute_cache_key(&self, url: &str) -> String {
// Create a cache key from the URL
// In production, you might want to use a hash
url.chars()
.map(|c| match c {
'/' | ':' | '.' => '_',
c if c.is_alphanumeric() || c == '-' || c == '_' => c,
_ => '_',
})
.collect()
}
/// Check the size of a GitHub repository using the GitHub API
///
/// This function queries the GitHub API to get repository metadata
/// and returns the size in kilobytes.
///
/// # Arguments
/// * `parsed_url` - A parsed GitHub URL containing owner and repo information
///
/// # Returns
/// The repository size in kilobytes
///
/// # Example
///
/// ```no_run
/// # use pmat::services::git_clone::{GitCloner, ParsedGitHubUrl};
/// # use std::path::PathBuf;
/// #
/// # #[tokio::test]
/// # async fn test_repo_size() -> anyhow::Result<()> {
/// let git_clone = GitCloner::new(PathBuf::from(".cache"));
/// let parsed_url = ParsedGitHubUrl {
/// owner: "rust-lang".to_string(),
/// repo: "rust".to_string(),
/// };
///
/// let size_kb = git_clone.check_repo_size(&parsed_url).await?;
/// assert!(size_kb > 0, "Repository should have non-zero size");
/// # Ok(())
/// # }
/// ```
///
/// # Property Tests
///
/// ```no_run
/// # use pmat::services::git_clone::{GitCloner, ParsedGitHubUrl};
/// # use std::path::PathBuf;
/// #
/// # #[tokio::test]
/// # async fn test_repo_size_properties() -> anyhow::Result<()> {
/// let git_clone = GitCloner::new(PathBuf::from(".cache"));
///
/// // Test with well-known repositories
/// let repos = vec![
/// ("rust-lang", "rust"),
/// ("torvalds", "linux"),
/// ];
///
/// for (owner, repo) in repos {
/// let parsed_url = ParsedGitHubUrl {
/// owner: owner.to_string(),
/// repo: repo.to_string(),
/// };
///
/// let size = git_clone.check_repo_size(&parsed_url).await?;
///
/// // Properties: Size should be positive and reasonable
/// assert!(size > 0, "Size should be positive");
/// assert!(size < 10_000_000, "Size should be reasonable (< 10GB)");
/// }
/// # Ok(())
/// # }
/// ```
pub async fn check_repo_size(&self, parsed_url: &ParsedGitHubUrl) -> Result<u64> {
use anyhow::anyhow;
use reqwest::header::{HeaderMap, HeaderValue, ACCEPT, AUTHORIZATION, USER_AGENT};
// Build GitHub API URL
let api_url = format!(
"https://api.github.com/repos/{}/{}",
parsed_url.owner, parsed_url.repo
);
// Create HTTP client with headers
let client = reqwest::Client::new();
let mut headers = HeaderMap::new();
headers.insert(USER_AGENT, HeaderValue::from_static("pmat-cli"));
headers.insert(
ACCEPT,
HeaderValue::from_static("application/vnd.github.v3+json"),
);
// Add auth token if available
if let Ok(token) = std::env::var("GITHUB_TOKEN") {
headers.insert(
AUTHORIZATION,
HeaderValue::from_str(&format!("token {token}"))?,
);
}
// Make API request
let response = client.get(&api_url).headers(headers).send().await?;
if !response.status().is_success() {
return Err(anyhow!(
"GitHub API request failed with status: {}",
response.status()
));
}
// Parse response
#[derive(serde::Deserialize)]
struct RepoInfo {
size: u64, // Size in KB from GitHub API
}
let repo_info: RepoInfo = response.json().await?;
// Return size in KB as received from GitHub API
Ok(repo_info.size)
}
}