summaryrefslogtreecommitdiff
path: root/src/settings.sig
blob: d918f0c5d057ca126649307b53da1574cfbf2e48 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
(* Copyright (c) 2008-2011, 2013, Adam Chlipala
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - The names of contributors may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *)

signature SETTINGS = sig

    (* Call this when compiling a new project, e.g. with the Ur/Web daemon or from the SML/NJ REPL.
     * Some settings stay, but most are reset, especially files cached for the app to serve. *)
    val reset : unit -> unit

    (* XXX these should be unit -> string too *)
    val configBin : string ref
    val configLib : string ref
    val configSrcLib : string ref
    val configInclude : string ref
    val configSitelisp : string ref

    val libUr : unit -> string
    val libC : unit -> string
    val libJs : unit -> string

    val setDebug : bool -> unit
    val getDebug : unit -> bool

    val libFile : string -> string
    val clibFile : string -> string

    (* How do all application URLs begin? *)
    val setUrlPrefix : string -> unit
    val getUrlPrefix : unit -> string
    val getUrlPrePrefix : unit -> string
    val getUrlPrefixFull : unit -> string
    (* The full prefix is the value that was set explicitly, while the "pre"
     * prefix gets the protocol/host/port part and the unqualified prefix gets
     * the URI. *)

    (* How many seconds should the server wait before assuming a Comet client has left? *)
    val setTimeout : int -> unit
    val getTimeout : unit -> int

    (* Which C header files are needed? *)
    val setHeaders : string list -> unit
    val getHeaders : unit -> string list

    (* Which extra JavaScript URLs should be included? *)
    val setScripts : string list -> unit
    val getScripts : unit -> string list

    type ffi = string * string

    (* Which FFI types may be sent from clients to servers? *)
    val setClientToServer : ffi list -> unit
    val mayClientToServer : ffi -> bool

    (* Which FFI functions have side effects? *)
    val setEffectful : ffi list -> unit
    val addEffectful : ffi -> unit
    val isEffectful : ffi -> bool

    (* Which FFI functions should not have their calls removed or reordered, but cause no lasting effects? *)
    val setBenignEffectful : ffi list -> unit
    val addBenignEffectful : ffi -> unit
    val isBenignEffectful : ffi -> bool

    (* Which FFI functions may only be run in clients? *)
    val setClientOnly : ffi list -> unit
    val addClientOnly : ffi -> unit
    val isClientOnly : ffi -> bool

    (* Which FFI functions may only be run on servers? *)
    val setServerOnly : ffi list -> unit
    val addServerOnly : ffi -> unit
    val isServerOnly : ffi -> bool

    (* Which FFI functions may be run in JavaScript?  (JavaScript function names included) *)
    val setJsFuncs : (ffi * string) list -> unit
    val addJsFunc : ffi * string -> unit
    val jsFunc : ffi -> string option
    val allJsFuncs : unit -> (ffi * string) list

    datatype pattern_kind = Exact | Prefix
    datatype action = Allow | Deny
    type rule = { action : action, kind : pattern_kind, pattern : string }

    datatype path_kind = Any | Url | Table | Sequence | View | Relation | Cookie | Style
    type rewrite = { pkind : path_kind, kind : pattern_kind, from : string, to : string, hyphenate : bool }

    (* Rules for rewriting URLs from canonical forms *)
    val setRewriteRules : rewrite list -> unit
    val rewrite : path_kind -> string -> string

    (* Validating URLs and MIME types *)
    val setUrlRules : rule list -> unit
    val getUrlRules : unit -> rule list
    val checkUrl : string -> bool

    val setMimeRules : rule list -> unit
    val getMimeRules : unit -> rule list
    val checkMime : string -> bool

    val setRequestHeaderRules : rule list -> unit
    val getRequestHeaderRules : unit -> rule list
    val checkRequestHeader : string -> bool

    val setResponseHeaderRules : rule list -> unit
    val getResponseHeaderRules : unit -> rule list
    val checkResponseHeader : string -> bool

    val setEnvVarRules : rule list -> unit
    val getEnvVarRules : unit -> rule list
    val checkEnvVar : string -> bool

    (* Web protocols that generated programs may speak *)
    type protocol = {
        name : string,       (* Call it this on the command line *)
        compile : string,    (* Pass these `gcc -c' arguments *)
        linkStatic : string, (* Pass these static linker arguments *)
        linkDynamic : string,(* Pass these dynamic linker arguments *)
        persistent : bool,   (* Multiple requests per process? *)
        code : unit -> Print.PD.pp_desc (* Extra code to include in C files *)
    }
    val addProtocol : protocol -> unit
    val setProtocol : string -> unit
    val currentProtocol : unit -> protocol

    (* Different DBMSes *)
    datatype sql_type =
             Int
           | Float
           | String
           | Char
           | Bool
           | Time
           | Blob
           | Channel
           | Client
           | Nullable of sql_type

    val p_sql_ctype : sql_type -> string
    val isBlob : sql_type -> bool
    val isNotNull : sql_type -> bool

    datatype failure_mode = Error | None

    type dbms = {
         name : string,
         (* Call it this on the command line *)
         randomFunction : string,
         (* DBMS's name for random number-generating function *)
         header : string,
         (* Include this C header file *)
         link : string,
         (* Pass these linker arguments *)
         p_sql_type : sql_type -> string,
         init : {dbstring : string,
                 prepared : (string * int) list,
                 tables : (string * (string * sql_type) list) list,
                 views : (string * (string * sql_type) list) list,
                 sequences : string list} -> Print.PD.pp_desc,
         (* Define uw_client_init(), uw_db_init(), uw_db_close(), uw_db_begin(), uw_db_commit(), and uw_db_rollback() *)
         query : {loc : ErrorMsg.span, cols : sql_type list,
                  doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int, typ : sql_type} -> Print.PD.pp_desc)
                           -> Print.PD.pp_desc}
                 -> Print.PD.pp_desc,
         queryPrepared : {loc : ErrorMsg.span, id : int, query : string,
                          inputs : sql_type list, cols : sql_type list,
                          doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int,
                                     typ : sql_type} -> Print.PD.pp_desc)
                                   -> Print.PD.pp_desc,
                          nested : bool}
                         -> Print.PD.pp_desc,
         dml : ErrorMsg.span * failure_mode -> Print.PD.pp_desc,
         dmlPrepared : {loc : ErrorMsg.span, id : int, dml : string,
                        inputs : sql_type list, mode : failure_mode} -> Print.PD.pp_desc,
         nextval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, seqName : string option} -> Print.PD.pp_desc,
         nextvalPrepared : {loc : ErrorMsg.span, id : int, query : string} -> Print.PD.pp_desc,
         setval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, count : Print.PD.pp_desc} -> Print.PD.pp_desc,
         sqlifyString : string -> string,
         p_cast : string * sql_type -> string,
         p_blank : int * sql_type -> string (* Prepared statement input *),
         supportsDeleteAs : bool,
         supportsUpdateAs : bool,
         createSequence : string -> string,
         textKeysNeedLengths : bool,
         supportsNextval : bool,
         supportsNestedPrepared : bool,
         sqlPrefix : string,
         supportsOctetLength : bool,
         trueString : string,
         falseString : string,
         onlyUnion : bool,
         nestedRelops : bool,
         windowFunctions : bool
    }

    val addDbms : dbms -> unit
    val setDbms : string -> unit
    val currentDbms : unit -> dbms

    val setDbstring : string option -> unit
    val getDbstring : unit -> string option

    val setExe : string option -> unit
    val getExe : unit -> string option

    val setSql : string option -> unit
    val getSql : unit -> string option

    val setCoreInline : int -> unit
    val getCoreInline : unit -> int

    val setMonoInline : int -> unit
    val getMonoInline : unit -> int

    val setStaticLinking : bool -> unit
    val getStaticLinking : unit -> bool

    val setDeadlines : bool -> unit
    val getDeadlines : unit -> bool

    val setSigFile : string option -> unit
    val getSigFile : unit -> string option

    (* Which GET-able functions should be allowed to have side effects? *)
    val setSafeGets : string list -> unit
    val isSafeGet : string -> bool

    val setOnError : (string * string list * string) option -> unit
    val getOnError : unit -> (string * string list * string) option

    val addLimit : string * int -> unit
    val limits : unit -> (string * int) list

    val setMinHeap : int -> unit
    val getMinHeap : unit -> int

    val addAlwaysInline : string -> unit
    val checkAlwaysInline : string -> bool

    val addNeverInline : string -> unit
    val checkNeverInline : string -> bool

    val addNoXsrfProtection : string -> unit
    val checkNoXsrfProtection : string -> bool

    val setTimeFormat : string -> unit
    val getTimeFormat : unit -> string

    val getCCompiler : unit -> string
    val setCCompiler : string -> unit

    val setMangleSql : bool -> unit
    val mangleSql : string -> string
    val mangleSqlCatalog : string -> string
    val mangleSqlTable : string -> string

    val setIsHtml5 : bool -> unit
    val getIsHtml5 : unit -> bool

    val setLessSafeFfi : bool -> unit
    val getLessSafeFfi : unit -> bool

    val setFilePath : string -> unit
    (* Sets the directory where we look for files being added below. *)

    val addFile : {Uri : string, LoadFromFilename : string} -> unit
    val listFiles : unit -> {Uri : string, ContentType : string option, LastModified : Time.time, Bytes : Word8Vector.vector} list
end