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authoricewing <icewing@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-03-25 11:58:14 +0000
committericewing <icewing@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-03-25 11:58:14 +0000
commit495c1cbee5cf0f601655c045332cd5d35759bf1b (patch)
tree46e373743e66eaf77c7da6a092b32e09037a413d /engine
parentae98658b2aed6e09a047582a86b9040c6d0d5ab7 (diff)
downloadelgg-495c1cbee5cf0f601655c045332cd5d35759bf1b.tar.gz
elgg-495c1cbee5cf0f601655c045332cd5d35759bf1b.tar.bz2
Marcus Povey <marcus@dushka.co.uk>
* Call method now specified in api git-svn-id: https://code.elgg.org/elgg/trunk@265 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'engine')
-rw-r--r--engine/lib/api.php144
1 files changed, 84 insertions, 60 deletions
diff --git a/engine/lib/api.php b/engine/lib/api.php
index 2751e2166..b2696ade9 100644
--- a/engine/lib/api.php
+++ b/engine/lib/api.php
@@ -175,6 +175,7 @@
* $METHODS = array (
* "api.method" => array (
* "function" = 'my_function_callback'
+ * "call_method" = 'GET' | 'POST'
* "parameters" = array (
* "variable" = array ( // NB, the order is the same as defined by your function callback
* type => 'int' | 'bool' | 'float' | 'string'
@@ -189,6 +190,14 @@
$METHODS = array();
/**
+ * Get the request method.
+ */
+ function get_call_method()
+ {
+ return $_SERVER['REQUEST_METHOD'];
+ }
+
+ /**
* Validate a token against a given site.
*
* A token registered with one site can not be used from a different apikey(site), so be aware of this
@@ -224,11 +233,12 @@
* @param string $method The api name to expose this as, eg "myapi.dosomething"
* @param string $function Your function callback.
* @param array $parameters Optional list of parameters in the same order as in your function, with optional parameters last.
+ * @param string $call_method Define what call method should be used for this function.
* @param bool $require_auth Whether this requires a user authentication token or not (default is true)
* @param string $description Optional human readable description of the function.
* @return bool
*/
- function expose_function($method, $function, array $parameters = NULL, $require_auth = true, $description = "")
+ function expose_function($method, $function, array $parameters = NULL, $call_method = "GET", $require_auth = true, $description = "")
{
global $METHODS;
@@ -244,6 +254,15 @@
if ($parameters!=NULL)
$METHODS[$method]["parameters"] = $parameters;
+ $call_method = strtoupper($call_method);
+ switch ($call_method)
+ {
+ case 'POST' : $METHODS[$method]["call_method"] = 'POST'; break;
+ case 'GET' : $METHODS[$method]["call_method"] = 'GET'; break;
+ default :
+ throw new InvalidParameterException("Unrecognised call method '$call_method'");
+ }
+
$METHODS[$method]["description"] = $description;
$METHODS[$method]["require_auth"] = $require_auth;
@@ -275,82 +294,87 @@
// See if we can find the method handler
if ((isset($METHODS[$method]["function"])) && (is_callable($METHODS[$method]["function"])))
{
- $serialised_parameters = "";
-
- $validated_userid = validate_user_token($CONFIG->site_id, $token);
-
- if ((!$METHODS[$method]["require_auth"]) || ($validated_userid) || (isloggedin()))
+ // See if this is being made with the right call method
+ if (strcmp(get_call_method(), $METHODS[$method]["call_method"]))
{
- // If we have parameters then we need to sanitise the parameters.
- if ((isset($METHODS[$method]["parameters"])) && (is_array($METHODS[$method]["parameters"])))
+ $serialised_parameters = "";
+
+ $validated_userid = validate_user_token($CONFIG->site_id, $token);
+
+ if ((!$METHODS[$method]["require_auth"]) || ($validated_userid) || (isloggedin()))
{
- foreach ($METHODS[$method]["parameters"] as $key => $value)
+ // If we have parameters then we need to sanitise the parameters.
+ if ((isset($METHODS[$method]["parameters"])) && (is_array($METHODS[$method]["parameters"])))
{
- if (
- (is_array($value)) // Check that this is an array
- && (isset($value['type'])) // Check we have a type defined
- )
+ foreach ($METHODS[$method]["parameters"] as $key => $value)
{
- // Check that the variable is present in the request
-
if (
- (!isset($parameters[$key])) && // No parameter
- ((!isset($value['required'])) || ($value['required']!=true)) // and not optional
+ (is_array($value)) // Check that this is an array
+ && (isset($value['type'])) // Check we have a type defined
)
- throw new APIException("Missing parameter $key in method $method");
- else
{
- // Avoid debug error
- if (isset($parameters[$key]))
+ // Check that the variable is present in the request
+
+ if (
+ (!isset($parameters[$key])) && // No parameter
+ ((!isset($value['required'])) || ($value['required']!=true)) // and not optional
+ )
+ throw new APIException("Missing parameter $key in method $method");
+ else
{
- // Set variables casting to type.
- switch (strtolower($value['type']))
+ // Avoid debug error
+ if (isset($parameters[$key]))
{
- case 'int':
- case 'integer' : $serialised_parameters .= "," . (int)trim($parameters[$key]); break;
- case 'bool':
- case 'boolean':
- if (strcasecmp(trim($parameters[$key]), "false")==0)
- $parameters[$key]='';
-
- $serialised_parameters .= "," . (bool)trim($parameters[$key]);
- break;
- case 'string': $serialised_parameters .= ",'" . (string)mysql_real_escape_string(trim($parameters[$key])) . "'";
- break;
- case 'float': $serialised_parameters .= "," . (float)trim($parameters[$key]);
- break;
-
- default : throw new APIException("Unrecognised type in cast {$value['type']} for variable '$key' in method '$method'");
+ // Set variables casting to type.
+ switch (strtolower($value['type']))
+ {
+ case 'int':
+ case 'integer' : $serialised_parameters .= "," . (int)trim($parameters[$key]); break;
+ case 'bool':
+ case 'boolean':
+ if (strcasecmp(trim($parameters[$key]), "false")==0)
+ $parameters[$key]='';
+
+ $serialised_parameters .= "," . (bool)trim($parameters[$key]);
+ break;
+ case 'string': $serialised_parameters .= ",'" . (string)mysql_real_escape_string(trim($parameters[$key])) . "'";
+ break;
+ case 'float': $serialised_parameters .= "," . (float)trim($parameters[$key]);
+ break;
+
+ default : throw new APIException("Unrecognised type in cast {$value['type']} for variable '$key' in method '$method'");
+ }
}
}
}
+ else
+ throw new APIException("Invalid parameter found for '$key' in method '$method'.");
}
- else
- throw new APIException("Invalid parameter found for '$key' in method '$method'.");
}
- }
-
- // Execute function: Construct function and calling parameters
- $function = $METHODS[$method]["function"];
- $serialised_parameters = trim($serialised_parameters, ", ");
-
- $result = eval("return $function($serialised_parameters);");
-
- // Sanity check result
- if ($result instanceof GenericResult) // If this function returns an api result itself, just return it
- return $result;
- if ($result === FALSE)
- throw new APIException("$function($serialised_parameters) has a parsing error.");
+ // Execute function: Construct function and calling parameters
+ $function = $METHODS[$method]["function"];
+ $serialised_parameters = trim($serialised_parameters, ", ");
- if ($result === NULL)
- throw new APIException("$function($serialised_parameters) returned no value."); // If no value
+ $result = eval("return $function($serialised_parameters);");
- return SuccessResult::getInstance($result); // Otherwise assume that the call was successful and return it as a success object.
- }
+ // Sanity check result
+ if ($result instanceof GenericResult) // If this function returns an api result itself, just return it
+ return $result;
+
+ if ($result === FALSE)
+ throw new APIException("$function($serialised_parameters) has a parsing error.");
+
+ if ($result === NULL)
+ throw new APIException("$function($serialised_parameters) returned no value."); // If no value
+
+ return SuccessResult::getInstance($result); // Otherwise assume that the call was successful and return it as a success object.
+ }
+ else
+ throw new SecurityException("Authentication token either missing, invalid or expired.", GenericResult::$RESULT_FAIL_AUTHTOKEN);
+ }
else
- throw new SecurityException("Authentication token either missing, invalid or expired.", GenericResult::$RESULT_FAIL_AUTHTOKEN);
-
+ throw new CallException("$method must be called using '{$METHODS[$method]["call_method"]}'");
}
// Return an error if not found
@@ -369,7 +393,7 @@
}
// Expose some system api functions
- expose_function("system.api.list", "list_all_apis", NULL, false, "List all available API calls on the system.");
+ expose_function("system.api.list", "list_all_apis", NULL, "GET", false, "List all available API calls on the system.");
// PAM AUTH HMAC functions ////////////////////////////////////////////////////////////////