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Check credentials — check_credentials • shinymanager

Check credentials

check_credentials(db, passphrase = NULL)

db

A data.frame with credentials data, a path to SQLite database created with create_db or a .yaml configuration path of SQL Database created with create_sql_db.

passphrase

Passphrase to decrypt the SQLite database.

Return a function with two arguments: user and password

to be used in module-authentication. The authentication function returns a list with 4 slots :

• result : logical, result of authentication.

• expired : logical, is user has expired ? Always FALSE if db doesn't have a expire column.

• authorized : logical, is user can access to his app ? Always TRUE if db doesn't have a applications column.

• user_info : the line in db corresponding to the user.

The credentials data.frame can have the following columns:

• user (mandatory) : the user's name.

• password (mandatory) : the user's password.

• admin (optional) : logical, is user have admin right ? If so, user can access the admin mode (only available using a SQLite database). Initialize to FALSE if missing.

• start (optional) : the date from which the user will have access to the application. Initialize to NA if missing.

• expire (optional) : the date from which the user will no longer have access to the application. Initialize to NA if missing.

• applications (optional) : the name of the applications to which the user is authorized, separated by a semicolon. The name of the application corresponds to the name of the directory, or can be declared using : options("shinymanager.application" = "my-app")

• additional columns : add others columns to retrieve the values server-side after authentication

# data.frame with credentials info
credentials <- data.frame(
  user = c("fanny", "victor"),
  password = c("azerty", "12345"),
  stringsAsFactors = FALSE
)

# check a user
check_credentials(credentials)("fanny", "azerty")
#> $result
#> [1] TRUE
#> 
#> $expired
#> [1] FALSE
#> 
#> $authorized
#> [1] TRUE
#> 
#> $user_info
#>    user
#> 1 fanny
#> 
check_credentials(credentials)("fanny", "azert")
#> $result
#> [1] FALSE
#> 
#> $expired
#> [1] FALSE
#> 
#> $authorized
#> [1] TRUE
#> 
#> $user_info
#>    user
#> 1 fanny
#> 
check_credentials(credentials)("fannyyy", "azerty")
#> $result
#> [1] FALSE
#> 
#> $expired
#> [1] FALSE
#> 
#> $authorized
#> [1] FALSE
#> 
#> $user_info
#> NULL
#> 

# data.frame with credentials info
# using hashed password with scrypt
credentials <- data.frame(
  user = c("fanny", "victor"),
  password = c(scrypt::hashPassword("azerty"), scrypt::hashPassword("12345")),
  is_hashed_password = TRUE,
  stringsAsFactors = FALSE
)

# check a user
check_credentials(credentials)("fanny", "azerty")
#> $result
#> [1] TRUE
#> 
#> $expired
#> [1] FALSE
#> 
#> $authorized
#> [1] TRUE
#> 
#> $user_info
#>    user
#> 1 fanny
#> 
check_credentials(credentials)("fanny", "azert")
#> $result
#> [1] FALSE
#> 
#> $expired
#> [1] FALSE
#> 
#> $authorized
#> [1] TRUE
#> 
#> $user_info
#>    user
#> 1 fanny
#> 
check_credentials(credentials)("fannyyy", "azerty")
#> $result
#> [1] FALSE
#> 
#> $expired
#> [1] FALSE
#> 
#> $authorized
#> [1] FALSE
#> 
#> $user_info
#> NULL
#> 

if (FALSE) {

## With a SQLite database:
check_credentials("credentials.sqlite", passphrase = "supersecret")


## With a SQL database:
check_credentials("config_db.yml")

}

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