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Prompt user for overriding permissions
This is only available if stdin is tty. Move permissions to its own module. Update third_party - add atty.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| extern crate atty; | ||
|
|
||
| use std::io; | ||
| use std::io::Read; | ||
| use errors::DenoResult; | ||
| use errors::permission_denied; | ||
|
|
||
| #[derive(Debug, Default, PartialEq)] | ||
| pub struct DenoPermissions { | ||
| allow_write: bool, | ||
| allow_net: bool, | ||
| allow_env: bool, | ||
| } | ||
|
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| impl DenoPermissions { | ||
| pub fn check_write(&self, filename: &str) -> DenoResult<()> { | ||
| if self.allow_write { return Ok(()) }; | ||
| // TODO get location (where access occurred) | ||
| permission_prompt(format!("Deno requests write access to \"{}\".", filename)) | ||
| } | ||
|
|
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| pub fn check_net(&self, domain_name: &str) -> DenoResult<()> { | ||
| if self.allow_net { return Ok(()) }; | ||
| // TODO get location (where access occurred) | ||
| permission_prompt(format!("Deno requests network access to \"{}\".", domain_name)) | ||
| } | ||
|
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| pub fn check_env(&self) -> DenoResult<()> { | ||
| if self.allow_env { return Ok(()) }; | ||
| // TODO get location (where access occurred) | ||
| permission_prompt("Deno requests access to environment variables.".to_string()) | ||
| } | ||
|
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| pub fn allow_write(&mut self, b: bool) -> () { | ||
| self.allow_write = b; | ||
| } | ||
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| pub fn allow_net(&mut self, b: bool) -> () { | ||
| self.allow_net = b; | ||
| } | ||
|
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| pub fn allow_env(&mut self, b: bool) -> () { | ||
| self.allow_env = b; | ||
| } | ||
| } | ||
|
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| fn permission_prompt(message: String) -> DenoResult<()> { | ||
| if !atty::is(atty::Stream::Stdin) || !atty::is(atty::Stream::Stderr) { return Err(permission_denied()) }; | ||
| // print to stderr so that if deno is > to a file this is still displayed. | ||
| eprint!("{} Grant? yN", message); | ||
| let mut buf = vec![0u8; 1]; | ||
| io::stdin().read_exact(&mut buf)?; | ||
| let input = buf[0]; | ||
| let is_yes = input == 'y' as u8 || input == 'Y' as u8; | ||
| if is_yes { Ok(()) } else { Err(permission_denied()) } | ||
| } |
Submodule third_party
updated
12 files