Files
Facilitor/APPL/API2/api2.inc
Jos Groot Lipman 7d2b547596 Merge 2015.1 Gold B patches
svn path=/Website/trunk/; revision=25229
2015-05-19 11:36:23 +00:00

1646 lines
66 KiB
PHP
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<% /*
$Revision$
$Id$
File: api2.inc
Description: Functies voor API's
Notes: Hier wordt van alles met de 'buitenwereld' gecommuniceerd.
Doel is dat de model's puur op json-data hoeven te werken
Status: Nog TODO's wegwerken
*/
%>
<!-- #include file="../Shared/save2db.inc" -->
<%
api2 = {
authenticate: function _authenticate(model)
{
var APIKEY;
if (S("fac_api_key_in_url"))
APIKEY = getQParam("APIKEY", "");
if (!APIKEY && Request.ServerVariables("HTTP_X_FACILITOR_API_KEY").Count)
APIKEY = String(Request.ServerVariables("HTTP_X_FACILITOR_API_KEY")); // Meegegeven als X-FACILITOR-API-Key
if (!APIKEY && Session("user_key") > 0)
{
user_key = Session("user_key"); // Hierdoor is de API intern te gebruiken zonder authenticatie
}
else
{
if (Session("user_key") > 0)
{} // Tijdens ontwikkeling heb je soms in tweede tab de GUI open. Laat dat ongemoeid.
else
Session.Abandon(); // Altijd, voor de zekerheid
var sql = "SELECT prs_perslid_key, prs_perslid_naam"
+ " FROM prs_perslid"
+ " WHERE prs_perslid_verwijder IS NULL"
+ " AND prs_perslid_apikey = " + safe.quoted_sql(APIKEY);
var oRs = Oracle.Execute(sql);
if (oRs.Eof || !APIKEY)
{
Response.Status = "401 Unauthorized";
//Response.AddHeader("WWW-Authenticate", "Basic realm=\"FACILITOR API\"");
Response.End;
};
__Log("API2 User is: " + oRs("prs_perslid_naam").Value);
/* global */ user_key = oRs("prs_perslid_key").Value;
if (typeof NO_ADDHEADER == "undefined" && Request.Servervariables("HTTP_FCLT_VERSION").Count > 0)
{ // wordt opgepikt door FCLTAPI.DLL voor in de logging en daarna gestript. Niet in Fiddler dus
Response.AddHeader ("FCLT_USERID", customerId + "\\" + String(user_key));
}
oRs.Close();
}
/* global */ user = new Perslid(user_key);
CheckForLogging(Request.QueryString("logging")); // Nu pas kan autorisatie via user gecontrolerd worden
// Impersonate?
var IMPERS;
if (S("fac_api_key_in_url"))
IMPERS = getQParam("SWITCHUSER", "");
if (!IMPERS && Request.ServerVariables("HTTP_X_FACILITOR_SWITCH_USER").Count)
IMPERS = String(Request.ServerVariables("HTTP_X_FACILITOR_SWITCH_USER")); // Meegegeven als X-FACILITOR-SWITCH-USER
if (IMPERS && S("fac_api_allow_impersonate"))
{
var sql = "SELECT prs_perslid_key, prs_perslid_naam"
+ " FROM prs_perslid"
+ " WHERE prs_perslid_verwijder IS NULL"
+ " AND prs_perslid_oslogin = " + safe.quoted_sql_upper(IMPERS);
var oRs = Oracle.Execute(sql);
if (oRs.Eof)
{
Response.Status = "412 Invalid X-Facilitor-Switch-User header";
Response.End;
};
__Log("IMPERS User is: " + oRs("prs_perslid_naam").Value);
var other_user_key = oRs("prs_perslid_key").Value;
oRs.Close();
if (model.impersonate_auth)
{
var xfunc = user.func_enabled2(model.module, { prs_key: other_user_key, isOptional: true });
var can = (xfunc && xfunc.canRead(model.impersonate_auth));
if (can)
/* global */ user_key = other_user_key;
}
if (user_key != other_user_key)
{
Response.Status = "412 Unauthorized X-Facilitor-Switch-User header";
Response.End;
}
}
},
process: function _process(model)
{
Session.Codepage = 65001; // We doen *uitsluitend* utf-8
Response.Charset = 'utf-8';
if (typeof model == "function") // Nieuwe stijl is het een function. Even compatible.
model = new model();
api2.authenticate(model);
var method = String(Request.ServerVariables("REQUEST_METHOD"));
if (!/GET|PUT|POST|DELETE/.test(method)) // Overigens houdt IIS deze al eerder tegen
{
Response.Status = "405 Method not allowed";
Response.End;
}
if (!("REST_" + method in model))
{
Response.Status = "501 Not Implemented";
// TODO The response MUST include an Allow header containing a list of valid methods for the requested resource.
Response.End;
}
var jsondata = {};
var filter = api2.qs2json();
filter = api2.plugin.transform_filter(filter);
var requestparams = { filter: filter, include: getQParamArray("include", []) };
if (/PUT|POST/.test(method)) // Dan is er in de body data meegestuurd
{
switch (getQParamSafe("format", "invalid").toLowerCase())
{
case "json":
{
var parsed = RequestJSON();
if (parsed.error)
api2.error(500, "Error parsing input JSON: " + parsed.error);
jsondata = api2.plugin.transform_incoming(requestparams, parsed.json);
if (!jsondata)
api2.error(500, "Error parsing input JSON: Empty");
break;
}
case "xml":
{
var parsed = RequestXML();
if (parsed.error)
api2.error(500, "Error parsing input XML: " + parsed.error);
jsondata = api2.xml2json(parsed.xml);
if (!jsondata)
api2.error(500, "Error parsing input XML: Empty");
break;
}
default:
UNKNOWN_FORMAT_TYPE;
}
if (!jsondata || !(model.record_name in jsondata || (model.multi_update && model.records_name in jsondata)))
{
api2.error(500, "No '{0}' found in input".format(model.record_name));
}
}
var key = getQParamInt("id", -1); // Voor POST/PUT/DELETE
var isSingle = /PUT|POST|DELETE/.test(method) || (key>0); // PUT, POST en DELETE altijd single
if (getQParamSafe("format", "json") == "api")
{
// TODO: Onderstaande in een of ander standaardformaat opleveren?
var result = { id: model.records_name,
methods: [],
includes: [],
fields: []
};
for (var i in model.includes)
result.includes.push(i);
if ("REST_GET" in model)
result.methods.push("GET");
if ("REST_PUT" in model)
result.methods.push("PUT");
if ("REST_POST" in model)
result.methods.push("POST");
if ("REST_DELETE" in model)
result.methods.push("DELETE");
for (var fld in model.fields)
{ // TODO: We missen hard-coded filters als reservableequipment/allowedinroom nu nog
if (!model.fields.hidden)
result.fields.push({ id: fld,
filter: model.fields[fld].filter,
type: model.fields[fld].typ,
label: model.fields[fld].label
});
}
}
else
{
if (method == "DELETE")
{
var result = model["REST_" + method]( requestparams, key );
}
else if (method == "GET" || model.record_name in jsondata)
{
var result = model["REST_" + method]( requestparams, jsondata, key );
}
else
{ // Loop door de multiple records en geef de REST_ functie altijd <20><>n record
for (var record in jsondata[model.records_name])
{
var thisdata = {};
thisdata[model.record_name] = jsondata[model.records_name][record];
var result = model["REST_" + method]( requestparams, thisdata, thisdata[model.record_name].id );
}
}
}
switch (method)
{
case "DELETE":
{
Response.Status = "204 No Content";
Response.End;
break;
}
case "GET":
{
data = result;
break;
}
case "PUT":
case "POST":
{
var key = result.key;
if (key)
{
var params = { filter: api2.qs2json(), include: getQParamArray("include", []) }, jsondata, key
// requestparams.include is mogelijk uitgebreid met wat er in de body stond
data = model.REST_GET({ filter: { id: key }, include: requestparams.include }); // resulterende data weer terug
__Log(data);
}
else
{
data = [];
isSingle = false;
}
}
}
api2.deliver(data, model, getQParamSafe("format", "json"),
isSingle);
},
qs2json: function _qs2json(params)
{
var filter = {};
for (var i = 1; i<= Request.QueryString.Count; i++)
{
filter[Request.QueryString.key(i)] = String(Request.QueryString(i));
}
return filter;
},
form2JSONdata: function _form2JSONdata(model, params, formfields) // Maak een jsondata-object voor gebruik vanuit model_xxx.inc
{
var jsondata = {};
jsondata[model.record_name] = {id: params.filter.id};
// Form parameters van gewone velden.
for (i=0; i<formfields.length; i++)
{
// Voeg een nieuwe combinatie naam:waarde toe aan het jsondata object als er een frm of val bekend is.
var val;
if (formfields[i].frm)
{
var typ = model.fields[formfields[i].name].typ;
// Haal waarde uit de formparameters.
if (typ == "check" || typ == "check0")
{
if (Request.Form("has_" + formfields[i].frm).count == 0)
continue; // niet aanwezig
}
else
{
if (Request.Form(formfields[i].frm).count == 0)
continue; // niet aanwezig
}
switch (typ)
{
case "float":
val = getFParamFloat(formfields[i].frm, null);
break;
case "key":
case "number":
val = getFParamInt(formfields[i].frm, null);
break;
case "check":
case "check0":
val = (Request.Form(formfields[i].frm).count==1)?1:0;
break;
case "date":
case "datetime":
val = getFParamDate(formfields[i].frm, null);
break;
case "memo":
case "varchar":
val = getFParam(formfields[i].frm, null);
break;
default:
{
__DoLog(model.fields[formfields[i].name].typ);
INTERN_ERROR_UNKNOWN_TYPE;
}
}
}
else
val = formfields[i].val;
//
jsondata[model.record_name][formfields[i].name] = val;
}
return jsondata;
},
// Verwerk filtervelden die in de url zijn meegegeven
sqlfilter: function _sqlfilter(params, model)
{
var wheres = [];
if (params.filter)
{
if (model.parent_key in params.filter)
wheres.push(model.table + "." + model.parent_key + " = " + parseInt(params.filter[model.parent_key], 10));
else if ("pid" in params.filter)
wheres.push(model.table + "." + model.parent_key + " = " + parseInt(params.filter["pid"], 10));
for (var fld in model.fields)
{
var field = model.fields[fld];
var filter = field.filter || "exact";
// We kijken of dit model-veld in de filterparameters voorkomt. Voor ranges kunnen prefixes in gebruik zijn
var filterval = null;
if (fld in params.filter || "start_" + fld in params.filter || "end_" + fld in params.filter)
{
// filterval is de meegegeven filterwaarde voor dit veld
if (fld in params.filter)
{
filterval = params.filter[fld];
if (filterval === "" || filterval === null)
continue;
if (filterval < 0 && field.typ == "key")
continue;
}
// Voor ranges komt de naam (misschien) niet letterlijk voor, maar (mogelijk) met start_ of end_ ervoor
// meerdere filters voor 1 veld dus wellicht
if (filter == "range") {
var filterval1 = params.filter["start_" + fld];
var filterval2 = params.filter["end_" + fld];
// Als er maar 1 filterwaarde is, dan gedraagt zich die als start_
if (filterval && !filterval1)
filterval1 = filterval;
if ((filterval1 === "" || filterval1 === null) && (filterval2 === "" || filterval2 === null))
continue;
}
// Nu is ook voor ranges alles weer normaal
var clause;
var operand = " = ";
switch (field.typ)
{
case "key":
if (!filterval)
continue;
if (filterval instanceof Array)
{
safe_val = "(" + filterval.join(",") + ")";
operand = " IN ";
}
else if (String(filterval).indexOf(",") != -1) // let op: bij buildings/1234.json is id al numeriek gemaakt
// NB: index=-1 als het geen array is.
{
safe_val = "(" + getQParamIntArray(fld).join(",") + ")"; // TODO: Niet via getQParamIntArray
operand = " IN ";
}
else if (String(filterval).substr(0,1) == '~'
&& field.foreign
&& typeof field.foreign == 'string'
) // Als je een foreign filter met ~ begint dan filtert hij op de tekst
{
operand = " IN ";
var foreign = foreignKeyTable(field.foreign);
if (!foreign)
MISSING_FOREIGN;
var fieldname = (foreign.name||foreign.desc);
var foreignsql = "SELECT " + foreign.key
+ " FROM " + foreign.tbl + " " + (foreign.alias||"xx")
+ " WHERE ";
if (foreign.where)
foreignsql += foreign.where + " AND ";
foreignsql += "UPPER(" + (foreign.alias||"xx") + "." + fieldname + ") LIKE " + safe.quoted_sql_wild("%"+String(filterval).substr(1) + "%");
safe_val = "(" + foreignsql + ")";
}
else
{
var safe_val = parseInt(filterval, 10);
if (isNaN(safe_val))
{
return ["0=1"];
}
}
break;
case "float":
var safe_val = parseFloat(filterval);
if (filter == "range")
{
if (filterval1) {
var safe_val1 = parseFloat(filterval1);
}
if (filterval2) {
var safe_val2 = parseFloat(filterval2);
}
if (filterval1 && filterval2) {
operand = " BETWEEN ";
safe_val = safe_val1+" AND "+safe_val2;
} else if (filterval1) {
operand = " >= ";
safe_val = safe_val1;
} else if (filterval2) {
operand = " <= ";
safe_val = safe_val2;
}
}
break;
case "number":
var safe_val = parseInt(filterval, 10);
if (isNaN(safe_val))
{
return ["0=1"]; // niets gevonden
}
if (filter == "range")
{
if (filterval1) {
var safe_val1 = parseInt(filterval1, 10);
}
if (filterval2) {
var safe_val2 = parseInt(filterval2, 10);
}
if (filterval1 && filterval2) {
operand = " BETWEEN ";
safe_val = safe_val1+" AND "+safe_val2;
} else if (filterval1) {
operand = " >= ";
safe_val = safe_val1;
} else if (filterval2) {
operand = " <= ";
safe_val = safe_val2;
}
}
break;
case "check":
var safe_val = parseInt(filterval, 10);
if (isNaN(safe_val))
{
return ["0=1"]; // niets gevonden
}
break;
case "varchar": // Als fld.match(/^fclt_d_/) dan is het een old-style rapport filterveld
case "memo":
switch (filter)
{
case "exact":
var safe_val = safe.quoted_sql(filterval);
break;
case "like":
var safe_val = safe.quoted_sql_wild("%"+filterval+"%");
break;
case "range":
var safe_val;
if (filterval1) {
if (fld.match(/^fclt_d_/))
safe_val1 = api2.toDate(filterval1).beginToSQL();
else
safe_val1 = safe.quoted_sql(filterval1);
}
if (filterval2) {
if (fld.match(/^fclt_d_/))
safe_val2 = api2.toDate(filterval2).endToSQL();
else
safe_val2 = safe.quoted_sql(filterval2);
}
if (filterval1 && filterval2) {
operand = " BETWEEN ";
safe_val = safe_val1+" AND "+safe_val2;
} else if (filterval1) {
operand = " >= ";
safe_val = safe_val1;
} else if (filterval2) {
operand = " <= ";
safe_val = safe_val2;
}
break;
}
break;
case "date": // onderscheid date en datetime?
case "datetime":
if (filter == "exact")
{
var safe_val = api2.toDate(filterval);
safe_val = safe_val.toSQL();
operand = " = ";
}
else if (filter == "range")
{
var safe_val;
if (filterval1) {
var safe_val1 = api2.toDate(filterval1);
safe_val1 = safe_val1.beginToSQL();
}
if (filterval2) {
var safe_val2 = api2.toDate(filterval2);
safe_val2 = safe_val2.endToSQL();
}
if (filterval1 && filterval2) {
operand = " BETWEEN ";
safe_val = safe_val1+" AND "+safe_val2;
} else if (filterval1) {
operand = " >= ";
safe_val = safe_val1;
} else if (filterval2) {
operand = " <= ";
safe_val = safe_val2;
}
}
break;
default:
UNKNOWN_FILTER_TYPE;
}
var dbs = field.dbs;
if (model.aliasprefix)
dbs = model.aliasprefix + dbs;
if (dbs.indexOf(".") < 0)
dbs = model.table + "." + field.dbs;
if (field.sql && !field.keepdbsforfilter)
dbs = field.sql; /* dit werkt bv voor cnt-XD */
if (filter == "like")
{
operand = " like ";
if (field.typ == "varchar" || field.typ == "memo")
{
dbs = "UPPER("+dbs+")";
safe_val = safe_val.toUpperCase();
}
}
if (filter == "range" && fld.match(/^fclt_d_/))
{
dbs = "TO_DATE(" + dbs + ",'dd-mm-yyyy')";
}
if (filter == "exact" && (field.typ == "date" || field.typ == "datetime"))
{
dbs = "TRUNC("+dbs+")";
}
wheres.push(dbs + operand + safe_val);
}
}
}
return wheres;
},
// Als er voor een veldnaam een alias moet worden gebruikt, doe het dan op deze manier.
sqlfield_alias: function _sqlfield_alias(model, fld)
{
var field = model.fields[fld];
return model.aliasprefix + (field.dbs == model.primary ? field.dbs : fld);
},
// Bepaal bij een GET welke velden op te halen
sqlfields: function _sqlfields(params, model)
{
model.aliasprefix = model.aliasprefix || "";
var selects = [];
var tables = [ model.tablesql || model.table ];
var wheres = [];
var name_cnt = 0;
for (var fld in model.fields)
{
if (fld.substring(0,1) == "_")
continue;
var field = model.fields[fld];
if (field.hidden)
continue;
var dbs = field.dbs;
if (field.sql)
{
if (model.aliasprefix)
dbs = model.aliasprefix + fld;
selects.push(field.sql + " AS " + dbs);
}
else if (dbs)
{
// veldnamen moeten gelijk zijn bij het ophalen. Zie ook: sql2jsonval
if (dbs.indexOf(".") < 0)
{
dbs = model.table + "." + dbs;
if (field.translate)
dbs = lcl.xsql(dbs, model.table + "." + model.fields.id.dbs);
if (model.aliasprefix)
dbs += " AS " + api2.sqlfield_alias(model, fld);
else
if (field.translate)
dbs += " AS " + field.dbs;
}
selects.push(dbs);
}
if (field.val instanceof Function)
continue;
if (field.foreign && typeof field.foreign == 'string') // de functions komen later
{
var foreign = foreignKeyTable(field.foreign);
if (!foreign)
MISSING_FOREIGN;
var fieldname = (foreign.name||foreign.desc);
field.foreignsql = "SELECT " + fieldname
+ " FROM " + foreign.tbl + " " + (foreign.alias||"xx")
+ " WHERE ";
if (foreign.where)
field.foreignsql += foreign.where + " AND ";
field.foreignsql += (foreign.alias||"xx") + "." + foreign.key + " = " + (field.sql||(field.dbs.indexOf(".") < 0? model.table + ".":"") + field.dbs);
}
if (field.foreignsql)
{
name_cnt ++;
field._foreignname = "foreign_" + name_cnt; // Genereer een niet al te extreem lange naam
selects.push("(" + field.foreignsql + ") " + " AS " + model.aliasprefix + field._foreignname);
}
}
if (params.include && model.includes)
{
// Dubbelen er uit halen, dat geeft lelijke foutmeldingen en kan ontstaan
// als je include=visitors in de url meegeeft <20>n visitors in de body POST
var tmp = {};
for (var i in params.include) {
tmp[params.include[i]] = 1;
}
params.include = [];
for (var i in tmp) {
params.include.push(i);
}
var inccnt = 0;
for (var i in params.include)
{
if (params.include[i] in model.includes)
{
var inc = model.includes[params.include[i]];
// Geneste includes verwijderen, we doen hooguit 1 diep
if ("model" in inc) // reservablerooms/include/occupations heeft geen model
delete inc.model.includes;
if (inc.model)
{
if (inc.single_only && !params.filter.id)
{
abort_with_warning("Include '{0}' only allowed with single '{1}'".format(params.include[i], model.record_name));
}
inccnt ++;
inc.model.aliasprefix = "I" + inccnt + "_";
var incquery = api2.sqlfields(params, inc.model);
selects = selects.concat (incquery.selects);
tables = tables.concat (incquery.tables);
wheres = wheres.concat (incquery.wheres);
if (inc.joinfunction)
{
var where = inc.joinfunction(params);
if (typeof where == "string")
wheres.push (where);
else
{
tables = tables.concat (where.tables);
wheres.push (where.where);
}
}
else
{
// simpel op joinfield
wheres.push ( model.table + "." + model.primary + "=" + inc.model.table + "." + inc.joinfield + "(+)");
}
}
}
else
__Log("Unknown include '{0}' requested".format(params.include[i]));
}
}
return { selects: selects, tables: tables, wheres: wheres };
},
// TODO the_key *moet* bestaan. Andere filtervelden negeren we
// Bouw een fields object zoals save2db dat verwacht/ kent
update_fields: function _update_fields(params, model, jsondata)
{
if (jsondata[model.record_name])
jsondata = jsondata[model.record_name]; // dereference
var fields = {};
for (var fld in model.fields)
{
var field = model.fields[fld];
// De key halen we uit de url, die in de JSON negeren we
if (fld == "id")
continue;
if ("sql" in field)
continue;
if (!(fld in jsondata) && !field.fnval)
continue;
if (field.readonly)
continue;
if (field.fnval)
var newval = field.fnval(jsondata);
else // simpel
var newval = jsondata[fld];
if (field.LOV && newval && typeof newval == "object" && "id" in newval)
{ // dereference
newval = newval.id;
}
switch (field.typ)
{
case "key": // De foreign keys action { "id": "5", "name": "afhalen" }
if (newval && typeof newval == "object" && "id" in newval)
{ // dereference
newval = newval.id;
jsondata[fld] = newval;
}
break;
case "date":
case "datetime":
if (newval === "")
newval = null;
// LET OP: Een (new Date) gemaakt binnen een plugin is vreemd genoeg geen (instanceof Date)
// Waarschijnlijk gebruikt een wsc een ander Date object als (ASP)JScript?
if (newval !== null && typeof newval == "object" && !(newval instanceof Date))
newval = new Date(newval);
if (newval !== null && !(newval instanceof Date))
{
abort_with_warning("Invalid " + field.typ + " (" + model.record_name + "." + fld + "): " + newval);
}
break;
case "float":
case "number":
if (isNaN(newval))
abort_with_warning("Invalid number (" + model.record_name + "." + fld + "): " + newval);
break;
}
if (field.dbs.indexOf(".") >= 0) // complexe foreign key
continue;
// LET OP: newfield en fields zijn in het formaat wat save2db verwacht/kent
// dat lijkt wel op een standaard model.fields object maar is soms een fractie anders
// Zo heeft een save2db field geen "label" en is "track" geen boolean maar de label-tekst
// LET OP2: save2db werkt eigenlijk met een Array voor fields maar wij hebben een
// object met "name": { field.. } wat daar wel omgezet wordt.
var newfield = { dbs: field.dbs,
typ: field.typ,
track: field.track && field.label?field.label:field.track,
foreign: field.foreign,
val: newval,
len: field.len
};
fields[fld] = newfield;
}
return fields;
},
// Verwerk de POST en PUT (== insert en update)
process_includes: function(params, model, jsondata, the_key)
{
if (jsondata[model.record_name])
jsondata = jsondata[model.record_name]; // dereference
if (!model.includes)
return [];
for (var incname in model.includes)
{
if (incname in jsondata) // i=="visitors"
{
var inc = model.includes[incname];
if (inc.model) // andere includes zijn nog niet bij te werken
{
// Als je bij een PUT/POST een include in de BODY zet geven we heb automagisch terug
params.include = params.include || [];
params.include.push(incname);
var incmodel = inc.model;
// Vul existing_includes met bestaande records in de database
var sql = "SELECT " + incmodel.primary
+ " FROM " + incmodel.table
+ " WHERE " + incmodel.table + "." + inc.joinfield + "=" + the_key;
var existing_includes = {};
var oRs = Oracle.Execute(sql);
while (!oRs.Eof)
{
existing_includes[oRs(incmodel.primary).Value] = { found: false }; // vooralsnog niet in json-data gevonden
oRs.MoveNext();
}
oRs.Close();
var incdata = jsondata[incname]; // Array zoals via API aangeleverd
for (var j=0; j<incdata.length; j++)
{
var inckey = incdata[j]["id"]; // Die moet er zijn
if (!inckey || inckey < 0 || params.isNew)
{
__Log("Nu ga ik een '{0}' toevoegen".format(incname));
incmodel.REST_POST(params, incdata[j], the_key);
}
else if (inckey in existing_includes)
{
__Log("Nu ga ik '{0}' {1} updaten".format(incname, inckey));
incmodel.REST_PUT(params, incdata[j], inckey);
existing_includes[inckey].found = true;
}
}
for (oldi in existing_includes)
{
if (!existing_includes[oldi].found)
{
incmodel.REST_DELETE(params, oldi);
}
}
}
else
{
//if (inc.func)
}
}
}
},
// Geeft de GET terug
sql2jsonval: function(oRs, fld, model)
{
var field = model.fields[fld];
if (field.val instanceof Function)
var val = field.val(oRs, field, model);
else if (field.dbs.indexOf(".") < 0)
{
var sqlfieldname = (model.aliasprefix ? api2.sqlfield_alias(model, fld) : field.dbs);
var val = oRs(sqlfieldname).Value;
}
else
var val = oRs(field.dbs.split(".")[1]).Value;
if (val === null)
return val;
if (field.typ == "date")
val = new Date(val);
if (field.typ == "datetime")
val = new Date(val);
if (field.typ == "time") // In de database ondersteunen we dit niet maar komt voor bij fac_report
val = new Date(val);
// Wat te doen met lege waarde
// action: null
// action: {key: null, name: null}
// action: {}
// of helemaal weglaten? We hebben nu de 1e optie. Dat is zelfdocumenterend
// En wat bij een leeg (include) array? Dan kun je ook nog occupations:[] krijgen
if (field.foreign || field.foreignsql)
{
if (field.foreignsql)
{
var name = oRs(model.aliasprefix + field._foreignname).Value;
if (name != null && typeof name == "date" )
name = new Date(name);
}
else
{
var name = field.foreign(val);
}
val = { id: val };
val.name = name;
}
// if (field.typ == 'check' && !field.LOV)
// field.LOV = "0;" + L("lcl_No") + ";1;" + L("lcl_Yes");
if (field.LOV)
{
var spl = api2.splitLOV(field.LOV);
val = { id: val, name: spl[val] };
}
return val;
},
filterLOV: function _splitLOV(LOV, filter)
{
filter = filter.split(",");
var spl = api2.splitLOV(LOV);
var result = [];
for (var f in filter)
result.push(filter[f] + ";" + spl[filter[f]]);
return result.join(";");
},
splitLOV: function _splitLOV(LOV)
{
var splits = LOV.split(";");
if (splits % 2)
abort_with_warning("LOV '{0}' mismatch".format(LOV));
var result = {};
for (var i=0; i < splits.length / 2; i++)
result[splits[i*2]] = splits[i*2 + 1];
return result;
},
splitLOV2sql: function _splitLOV(LOV)
{
var spl = api2.splitLOV(LOV);
var dual = [];
for (var l in spl)
dual.push("SELECT " + safe.quoted_sql(l) + ", " + safe.quoted_sql(spl[l]) + " FROM DUAL");
return dual.join(" UNION ALL ");
},
splitLOV2select: function _splitLOV(LOV, current)
{
var spl = api2.splitLOV(LOV);
var options = [];
for (var l in spl)
options.push("<option value='" + safe.htmlattr(l) + "'" + (l == current?" selected='1'":"") + ">" + safe.html(spl[l]) + "</option>");
return "<select>" + options.join("") + "</select>";
},
sql2jsonfields: function (oRs, model)
{
var record = {};
for (var fld in model.fields)
{
if (fld.substring(0,1) == "_")
continue;
var field = model.fields[fld];
if (field.hidden)
continue;
var val = api2.sql2jsonval(oRs, fld, model);
//waarom was dit aanwezig?
//if (field.readonly && !val.id)
// continue;
record[fld] = val;
}
return record;
},
sql2json: function _sql2json(params, sql, model)
{
var prefuncdata;
var prefuncdatainitialized = false;
var prefilterfuncdata;
if (model.filter && model.filter.prefunc)
prefilterfuncdata = model.filter.prefunc(params);
var data = [];
var oRs = Oracle.Execute(sql);
var lastkey = 0;
var record = {};
// Merk op dat onze recordset meer regels kan bevatten dan je zou verwachten
// omdat de includes er bij zijn gejoind
var total_count = 0;
var limit = S("qp_maxrows"); // TODO: maximaliseren op qp_maxrows2?
if ("limit" in params.filter)
limit = params.filter.limit;
if (params.filter.nolimit || limit == -1)
limit = 99999999; // Excel/CSV alles tonen
while (!oRs.Eof)
{
if (data.length >= limit) // Alleen nog maar tellen
{
if (model.primary)
{
var key = oRs(model.primary).Value; // Oppassen met de includes
if (key != lastkey)
total_count ++;
lastkey = key;
}
else
{
total_count ++;
}
oRs.MoveNext();
continue;
}
if (model.primary)
{
var key = oRs(model.primary).Value;
if (key != lastkey)
{
if (key < lastkey && params.include && params.include.length)
{
abort_with_warning("Include '{0}' only allowed when main record is ordered by '{1}'".format(params.include[0], model.primary));
}
if (lastkey && "id" in record) // Record was er mogelijk uit gefilterd
{
data.push(record);
total_count ++;
if (data.length == limit)
continue; // alleen nog tellen, 'volgende' record niet meer opbouwen
}
var record = {};
}
}
// Complexe filtering die we niet voor elkaar kregen met een WHERE-clause
if (model.filter && model.filter.func)
{
if (!model.filter.func(oRs, params, prefilterfuncdata))
{
lastkey = key;
oRs.MoveNext();
continue;
}
}
var fld;
for (fld in model.fields)
{
if (fld.substring(0,1) == "_")
continue;
var field = model.fields[fld];
if (field.hidden)
continue;
var val = api2.sql2jsonval(oRs, fld, model)
//waarom was dit aanwezig?
//if (field.readonly && !val.id)
// continue;
record[fld] = val;
}
if (params.include && model.includes)
{
for (var i in params.include) // welke includes worden opgevraagd?
{
var incname = params.include[i];
if (incname in model.includes) // Ondersteunen we deze include?
{
if (!(incname in record))
record[incname] = [];
var incmodel = model.includes[incname].model;
if (incmodel)
{ // Standaard include via model. Ons 'hoofd' record zal meerdere keren
// uit de query komen met telkens een ander 'include' record
incmodel.aliasprefix = incmodel.aliasprefix || "";
if (oRs(incmodel.aliasprefix + incmodel.primary).value == null) // Geen record door outer join
continue;
var inc_record = api2.sql2jsonfields(oRs, incmodel);
var inc_record_exists = false;
for (var i=0; i<record[incname].length; i++)
{
var tmp_record = record[incname];
var cur_record = tmp_record[i];
if (JSON.stringify(cur_record) == JSON.stringify(inc_record))
inc_record_exists = true;
}
if (!inc_record_exists)
record[incname].push(inc_record);
//else
// __Log("Deze bestaat al");
}
else if (model.includes[incname].func) // include via callback functie zoals reservablerooms/occupation
{
if (model.includes[incname].prefunc && !prefuncdatainitialized)
{
prefuncdata = model.includes[incname].prefunc(params);
prefuncdatainitialized = true;
}
var incdata = model.includes[incname].func(key, params, oRs, record, prefuncdata);
if (incdata !== null)
record[incname] = incdata; // de callback geeft de gehele include in een keer
}
}
else
__Log("Unknown include '{0}' requested".format(incname));
}
}
lastkey = key;
if (!model.primary)
{
data.push(record);
record = {};
total_count ++;
}
oRs.MoveNext();
}
if (lastkey && data.length < limit)
{
total_count ++;
data.push(record);
}
model.limit = limit;
//model.offset = offset;
model.total_count = total_count;
return data;
},
// Data is een array met 'records'
deliver: function _deliver(data, model, format, single )
{
if (single && !data.length)
{
Response.Status = "404 Not Found";
Response.End;
}
if (format == "html" || format == "json")
{
var result = { };
if (single)
result[model.record_name] = data[0];
else
{
result.total_count = model.total_count;
result.limit = model.limit;
result.offset = 0;
result[model.records_name] = data;
}
var resultdata = api2.plugin.transform_outgoing({}, result);
}
switch (format)
{
case "api":
{
var str_antwoord = JSON.stringify(data, null, getQParam("pretty","0")=="1"?2:0);
Response.ContentType = "application/json";
break;
}
case "json":
var str_antwoord = JSON.stringify(resultdata, null, getQParam("pretty","0")=="1"?2:0);
var jsonp = getQParam("jsonp", getQParam("callback",""));
if (jsonp)
{
str_antwoord = jsonp + "(" + str_antwoord + ")";
Response.ContentType = "application/javascript";
}
else
Response.ContentType = "application/json";
break;
case "html":
Response.ContentType = "text/html";
var antwoord = JSON.stringify(resultdata, null, 2);
var str_antwoord = "<!DOCTYPE html><html><head></head><body><pre>"
+ Server.HTMLEncode(antwoord)
+ "</pre></body></html>";
break;
case "xml":
Response.ContentType = "text/xml";
var xml_antwoord = api2.json2xml(data, model, single);
// TODO: Output XSL transform ondersteunen?
if (getQParam("pretty","0")=="1")
{
var style = new ActiveXObject("MSXML2.DOMDocument.6.0");
style.async = false;
style.resolveExternals = false;
style.load(Server.MapPath(rooturl + "/appl/shared/indent.xsl")); // De stylesheet laden. API's redeneren vanuit de root
if (style.parseError.errorCode)
{
abort_with_warning("XSL error: " + style.parseError.reason + " @ " + style.parseError.line + "." + style.parseError.linepos );
}
var str_antwoord = xml_antwoord.transformNode(style); // terugstoppen in antwoord
}
else
var str_antwoord = xml_antwoord.xml;
//Response.ContentType = "application/json";
//var str_antwoord = JSON.stringify(api2.xml2json(xml_antwoord), null, 2);;
break;
default:
WRONG_FORMAT;
}
// str_antwoord heeft nu het te versturen antwoord
// Bepaal eTag
var oCrypto = new ActiveXObject("SLNKDWF.Crypto");
var eTag = '"' + oCrypto.hex_sha1(String(S("cache_changecounter")) + "_" + str_antwoord).toLowerCase() + '"';
Response.AddHeader("ETag", eTag);
if (Request.ServerVariables("HTTP_IF_NONE_MATCH") == eTag)
{ // We hebben een match! Effectief besparen wel alleen op dataverkeer, de queries zijn al geweest
Response.Clear();
Response.Status = "304 Not modified";
Response.End;
}
// if (API.apidata.loglevel) __Log2File(str_antwoord, APIname + "_OUT");
Response.write(str_antwoord);
},
// TODO: Wanneer attributes gebruiken en wanneer (sub)-elements?
// Streven: data == xml2json(json2xml(data))
json2xml: function _json2xml(data, model, single)
{
var rootname = model.records_name;
var record_name = model.record_name;
var xmlDoc = new ActiveXObject("MSXML2.DOMDocument.6.0");
xmlDoc.appendChild(xmlDoc.createProcessingInstruction("xml", "version=\"1.0\" encoding=\"utf-8\""));
var record2json = function(record, record_name)
{
var elementRecord = xmlDoc.createElement(record_name);
for (var fld in record)
{
var elementField = xmlDoc.createElement(fld);
if (record[fld] instanceof Date)
{
var elementFieldText = xmlDoc.createTextNode(String(record[fld].toJSON()));
elementField.appendChild(elementFieldText);
}
else if (record[fld] instanceof Array)
{
var inc_record_name;
for (var ii in model.includes)
{
if (model.includes[ii].model.records_name == fld)
inc_record_name = model.includes[ii].model.record_name;
}
for (var i = 0; i < record[fld].length; i++)
elementField.appendChild(record2json(record[fld][i], inc_record_name));
}
else if (record[fld] && typeof record[fld] == "object") // Veronderstelt dat dit foreign met name/key is
{
if ("name" in record[fld] && "id" in record[fld])
{
elementField.setAttribute("name", fld);
elementField.setAttribute("id", record[fld].id);
}
else
elementField = record2json(record[fld], fld);
}
else
{
var elementFieldText = xmlDoc.createTextNode(record[fld]||"");
elementField.appendChild(elementFieldText);
}
elementRecord.appendChild(elementField);
}
return elementRecord;
};
if (single)
{
xmlDoc.appendChild(record2json(data[0], record_name));
}
else
{
var arrayElement = xmlDoc.createElement(rootname);
for (var i = 0; i < data.length; i++)
arrayElement.appendChild(record2json(data[i], record_name));
xmlDoc.appendChild(arrayElement);
}
return xmlDoc;
},
// Streven: data == json2xml(xml2json(xml))
// http://davidwalsh.name/convert-xml-json maar @attributes er uit gehaald
xml2json: function _xml2json(xml)
{
// Create the return object
var obj = {};
if (xml.nodeType == 1)
{ // element
// do attributes
if (xml.attributes.length > 0)
{
// JGL removed: obj["@attributes"] = {};
for (var j = 0; j < xml.attributes.length; j++)
{
var attribute = xml.attributes.item(j);
obj[attribute.nodeName] = attribute.nodeValue;
}
}
}
else if (xml.nodeType == 3)
{ // text
obj = xml.nodeValue;
}
// do children
if (xml.hasChildNodes())
{
for(var i = 0; i < xml.childNodes.length; i++)
{
var item = xml.childNodes.item(i);
var nodeName = item.nodeName;
if (typeof(obj[nodeName]) == "undefined")
{
// JGL Added: Only one Textnode is simplified. Autodetect data
if (item.nodeType == 3 && xml.childNodes.length == 1)
{
var dt = myJSON.internal_parsedate(null, item.nodeValue);
if (dt && dt instanceof Date)
return dt;
return item.nodeValue;
}
obj[nodeName] = api2.xml2json(item);
}
else
{
if (typeof(obj[nodeName].push) == "undefined")
{
var old = obj[nodeName];
obj[nodeName] = [];
obj[nodeName].push(old);
}
obj[nodeName].push(api2.xml2json(item));
}
}
}
return obj;
},
error: function (code, msg)
{
abort_with_warning(msg, code)
},
find_plugin: function()
{
var plugin_name = getQParamSafe("plugin", "").toLowerCase();
if (!plugin_name)
return {};
var fso = new ActiveXObject("Scripting.FileSystemObject");
var paths = ["/cust/" + customerId, "/cust", "/appl/api2"]; // Hieronder zoeken naar '/plugins' folder
for (var p in paths)
{
var ppath = Server.MapPath(rooturl + paths[p] + "/plugins/" + plugin_name + ".wsc")
//__Log(ppath);
if (fso.FileExists(ppath))
{
try
{
var hook = GetObject("script:" + ppath);
}
catch(e)
{
api2.error(500, "Loading {0} failed: {1}".format(ppath, e.description));
}
hook.initialize({ S: S, Oracle: Oracle, customerId: customerId, safe: safe });
return hook;
}
}
api2.error(500, "Undefined plugin {0}".format(plugin_name));
},
plugin: {
transform_filter: function(filter)
{
var outdata = filter;
var hook = api2.find_plugin();
if ("transform_filter" in hook)
{
outdata = hook.transform_filter(filter);
}
hook = null;
return outdata;
},
transform_incoming: function(params, data)
{
var outdata = data;
var hook = api2.find_plugin();
if ("transform_incoming" in hook)
{
outdata = hook.transform_incoming(params, data);
}
hook = null;
return outdata;
},
transform_outgoing: function(params, data)
{
var outdata = data;
var hook = api2.find_plugin();
if ("transform_outgoing" in hook)
outdata = hook.transform_outgoing(params, data);
hook = null;
return outdata;
}
},
find_fieldindex_by_dbsname: function(array, value)
{
for(var i = 0; i < array.length; i++)
{
if(array[i].hasOwnProperty("dbs") && array[i]["dbs"] === value)
{
return i;
}
}
return -1;
},
// Pas op: fields is hier alleen de fields die bijgewerkt moeten worden
field_alter: function(fields, fld, newval, model)
{
if (fld in fields)
{
fields[fld].val = newval;
}
else
{
// Als veld niet aanwezig is, dan toevoegen.
// Het typ halen we uit het api-model.
var newfield = {};
newfield.dbs = model[fld].dbs;
newfield.typ = model[fld].typ;
if (model[fld].track)
newfield.fld = model[fld].label||model[fld].track;
newfield.val = newval;
__Log(newfield);
fields[fld] = newfield;
}
},
get_jdata_refkey: function(jsondataobject)
{
var value = null;
if (jsondataobject)
{
if (jsondataobject.id && typeof jsondataobject.id != "object")
value = jsondataobject.id;
else
value = jsondataobject;
}
return value;
},
toDate: function (dt)
{
if (dt instanceof Date)
return dt;
// LET OP: Een (new Date) gemaakt binnen een plugin is vreemd genoeg geen (instanceof Date)
// Waarschijnlijk gebruikt een wsc een ander Date object als (ASP)JScript?
if (dt !== null && typeof dt == "object")
dt = new Date(dt);
if (typeof dt == 'string')
{
if (dt.match(/^[0-9]+$/))
return new Date(parseInt(dt, 10));
var dt = myJSON.internal_parsedate(null, dt);
if (dt && dt instanceof Date)
return dt;
}
NOT_A_DATE;
},
generic_REST: function(model)
{
if (!model.autfunction)
GENERIC_ONLY_WITH_AUTFUNCTION;
model.REST_GET = generic_REST_GET(model);
model.REST_POST = generic_REST_POST(model);
model.REST_PUT = generic_REST_PUT(model);
model.REST_DELETE = generic_REST_DELETE(model);
}
}
// LET OP: Verwacht wordt dat de JSON-code in de body utf-8 encoded is, niet windows-1252!
// (in de praktijk moet je *moeite* doen om windows-1252 te krijgen dus dit is handiger)
function RequestJSON()
{
var jvraag;
if(Request.TotalBytes > 0)
{
var lngBytesCount = Request.TotalBytes;
jvraag = BytesToStr(Request.BinaryRead(lngBytesCount));
}
__Log("Vraag: " + jvraag);
try
{
var vraag = myJSON.parse(jvraag);
}
catch (e)
{
__DoLog("JSON eval faalt met: {0}<br>{1}".format(e.description, jvraag), "ffff00");
return { error: e.description };
}
return { json: vraag };
}
function generic_REST_GET(model)
{
user.checkAutorisation(model.autfunction); // Als je zelfs geen readrechten hebt ben je heel fout bezig
return function _generic_REST_GET(params, jsondata)
{
var query = api2.sqlfields(params, model);
var wheres = api2.sqlfilter(params, model);
query.wheres = query.wheres.concat(wheres);
if (model.soft_delete && params.filter.show_deleted != "on")
query.wheres.push(model.soft_delete + " IS NULL");
var sql = "SELECT " + query.selects.join(", ")
+ " FROM " + query.tables.join(", ")
+ (query.wheres.length ? " WHERE " + query.wheres.join(" AND " ) : "")
+ " ORDER BY " + (model.fields.name?model.fields.name.dbs:model.fields.id.dbs);
var maxcnt = params.filter.showall==1?S("qp_maxrows2"):S("qp_maxrows");
var sql = "SELECT * FROM (" + sql + ") WHERE ROWNUM <= " + (maxcnt + 1); // Eentje extra om overflow-melding te triggeren in resultsettable
var json = api2.sql2json (params, sql, model);
return json;
}
}
function generic_REST_POST(model)
{
var autparams = user.checkAutorisation(model.autfunction, true);
if (!autparams || autparams.PRSwritelevel == 9 || autparams.ALGwritelevel == 9)
return false;
if (!model.fields.id.seq) // We willen per se een sequence
return false;
return function _generic_REST_POST(params, jsondata, the_key)
{
var fields = api2.update_fields(params, model, jsondata);
fields["id"] = model.fields["id"]; // Die zal een seq hebben
var xxxIns = buildInsert(model.table, fields, { noValidateToken: true });
var the_key = xxxIns.sequences[model.fields.id.dbs];
// TODO: Generieke tracking?
// TODO: de includes?
var err = Oracle.Execute(xxxIns.sql, true);
if (err.friendlyMsg)
abort_with_warning(err.friendlyMsg);
return { key: the_key, warning: "" };
}
}
function generic_REST_PUT(model)
{
var autparams = user.checkAutorisation(model.autfunction, true);
if (!autparams || autparams.PRSwritelevel == 9 || autparams.ALGwritelevel == 9)
return false;
return function _generic_REST_PUT(params, jsondata, the_key)
{
var result = {};
var fields = api2.update_fields(params, model, jsondata);
var wheres = [model.fields.id.dbs + " = " + the_key];
var xxxUpd = buildTrackingUpdate(model.table, wheres.join(" AND " ), fields, { noValidateToken: true });
// TODO: Generieke tracking?
// TODO: de includes?
var err = Oracle.Execute(xxxUpd.sql, true);
if (err.friendlyMsg)
abort_with_warning(err.friendlyMsg);
return { key: the_key, warning: "" };
}
}
function generic_REST_DELETE(model)
{
var autparams = user.checkAutorisation(model.autfunction, true);
if (!autparams || autparams.PRSwritelevel == 9 || autparams.ALGwritelevel == 9)
return false;
return function _generic_REST_DELETE(params, the_key)
{
if (model.soft_delete)
{
var sql = "UPDATE " + model.table
+ " SET " + model.soft_delete + " = SYSDATE"
+ " WHERE " + model.fields.id.dbs + " = " + the_key
+ " AND " + model.soft_delete + " IS NULL";
}
else
{
var sql = "DELETE " + model.table
+ " WHERE " + model.fields.id.dbs + " = " + the_key;
}
var err = Oracle.Execute(sql, true);
if (err.friendlyMsg)
abort_with_warning(err.friendlyMsg);
return { key: the_key, warning: "" };
}
}
function RequestXML()
{
try
{
var inputXML = Server.CreateObject("MSXML2.DOMDocument.6.0");
inputXML.load(Request);
}
catch (e)
{
return { error: e.description };
}
if (inputXML.parseError.errorCode)
{
return { error: inputXML.parseError.reason + " @ " + inputXML.parseError.line + "." + inputXML.parseError.linepos };
}
return { xml: inputXML };
}
function BytesToStr(bytes)
{
var stream = Server.CreateObject("ADODB.Stream");
stream.type = 1;
stream.open;
stream.write(bytes);
stream.position = 0;
stream.type = 2; // Text
stream.charset = "utf-8";
var sOut = stream.readtext();
stream.close;
return sOut;
}
function getQParamISODate(pName, defVal)
{
return _get_ParamISODate(Request.Querystring, pName, defVal)
}
function getFParamISODate(pName, defVal)
{
return _get_ParamISODate(Request.Form, pName, defVal)
}
function _get_ParamISODate(pColl, pName, defVal)
{
var strval = _get_Param(pColl, pName, defVal, true); // force: een lege waarde wordt als afwezig beschouwd
if (strval)
{
var dt = myJSON.internal_parsedate(null, strval);
if (dt && dt instanceof Date)
return dt;
}
if (defVal instanceof Date)
{
return defVal;
}
if (defVal === null) // bewust triple===
{
return null;
}
// Error message will get to client and/or IIS logfiles
eval("INTERNAL_ERROR_PARAMETER_" + pName + "_IS_NOT_ISODATE");
}
// Backwards compatible FACMGT_LCL
var __F = [];
function F(tekst)
{
if (!__F.length)
{
// TODO: Inlezen uit FAC_LOCALE_MGT, zoek op vbLCL
}
return tekst;
}
%>